FCC ID: 2AOJNGKS-2156-B Kitchen Scale

version:1.0 User Manual Kitchen Scale GKS-2156-B ZHONGSHAN TRANSTEK ELECTRONICS CO., LTD No.23,Jin'an Road, Minzhong, Zhongshan, 528441, Guangdong, China TEL:86-760-88282982 www.transtek.cn Thank you very much for selecting the Transtek Kitchen Scale GKS-2156-B. Please do read the user manual carefully and thoroughly so as to ensure the safe usage of this product, and keep the manual well for further reference in case you have problems. Table of Contents Table of Contents Safety Information Warning Symbol Safety Instructions Product Overview

.................................................................................................................... ................................................................................................................ General Instructions

............................................................................................................... Device Components

............................................................................................................... Function Indication

................................................................................................................. ....................................................................................................................................... ........................................................................................................................... List LED Display Initial Start-Up Insert the Batteries Changing the Weight Unit Install the APP and Pair-up Operation

.................................................................................................................. ...................................................................................................... .................................................................................................... Weighing Mode

...................................................................................................................... Measuring with Tare Function

................................................................................................ When Data Transmitting... ..................................................................................................................... ..................................................................................................... .......................................................................................................................... ........................................................................................................................... Warranty

.................................................................................................................................. .................................................................................................................... ................................................................................................................................. Troubleshooting Troubleshooting Specifications Maintenance Maintenance Appendix FCC Regulations Warning 2 2 3 3 3 4 4 5 6 7 8 9 11 12 13 14 14 15 16 1 Safety Instructions Product Overview Warning Symbols General Instructions It is important to understand the meanings of the warning symbols in order to ensure a correct and safe use of the product and protect you and others from injury. You may find the meanings of the warning symbols, which you may see in the label or this user manual, as follow:

Symbol for THE OPERATION GUIDE MUST BE READ Symbol for COMPLIES WITH EU REQUIREMENTS Transtek Glass Kitchen Scale GKS-2156-B is used to measure the foods weight. This device has practical weighting function(tare) with digital LED. Main Features:

a. Classically elegant design b. Easy to read digital display c. With tare function The Bluetooth Combination Mark Symbol for RECYCLE Device Components Symbol for DIRECT CURRENT Symbol for MANUFACTURER Symbol for SERIAL NUMBER Symbol for ENVIRONMENT PROTEC-

TION Waste electrical products should not be disposed of with household waste. Please recycle where facilities exist. Check with your local authority or retailer for recycling advice Safety Instructions Always place the scale on a solid, level and flat surface to weigh. Always place the object to be weighed at the center of the weighing platform. Do not place any object on the weighing platform before switching the scale on. The display may be affected by electromagnetic disturbances such as radios, microwaves or cell phones. If such disturbances occur, remove the source of the disturbance and restart the scale. If the scale is not to being used for a long period, please remove the batteries. Clean the scale with a slightly damp cloth, DO NOT immerse the scale in water or use chemical/abrasive cleaning agents. Keep the scale in a cool dry area. UNIT button Battery Door ON/OFF/TARE button Function Indication Press the ON/OFF/TARE button to switch the scale on. Press and hold the ON/OFF/TARE button for 2s to switch the scale off. Press the ON/OFF/TARE button to reset the display to zero. Press the UNIT button to select your desired weight unit. 2 3 Product Overview Initial Start-Up List 1. Kitchen Scale GKS-2156-B 2. 3xAAA batteries (1.5V per each) 3. User Manual Insert the Batteries Open the battery door in the back of the scale. Insert the batteries (3xAAA) into the battery compartment according to the polarity indications marked inside the compartment. Close the battery door. The LED displays as below:

LED Display lb fl.oz. oz g ml g lb fl.oz. oz g ml Bluetooth Connection Indication Weight Unit (Pound) Cooking Timer Negative Weight fl.oz. g ml Volume Unit (Ounce) Weight Unit (Gram) Volume Unit (Millilitre) CAUTION When the symbol Lo appears, the device will power off soon. Then you shall replace with a new set of batteries. Please replace all three batteries at the same time. Do not mix the old batteries with the new ones. Worn batteries are hazardous waste. Do NOT dispose of them together with the household garbage. Please refer to the local ordinances and recycling instructions regarding disposal of the worn batteries. In order to achieve the best performance and protect your scale, please use the authorized/specified batteries. If you do not intend to use this unit for a prolonged period of time, it is advisable to remove the batteries before storing. Do not mix alkaline, standard (carbon-zinc), or rechargeable(Ni-Cd, Ni-MH, etc) batteries. Use the scale three times a day (1 minute at a time), and the lifetime of battery is about 8 months. 4 5 Initial Start-Up Changing the Weight Unit When in the weighing mode, press the Unit button to select your desired unit (g, fl.oz., lb:oz, ml). The units will be displayed in the LED display. (The default unit is g) g fl.oz. ml lb oz CAUTION Finishing the unit selection, you may start to weigh according to the weighing procedure below. If there is no operation and the weight is steady in weighing mode, the scale will turn off automatically in about 1 minute. Or you can press and hold the ON/OFF/TARE button for about 2s to turn it off. Initial Start-Up Installing the App and Pair-Up Bluetooth Smart wireless technology, also known as Bluetooth Low Energy or BLE, enables the Kitchen Scale to automatically send weight measurements to your smartphone for enhance functionality. The Hapi Health App is now available to download from the App Store and Google Play. You may search and install the app in your smartphone. Note: It is only available for the device which supports BLE 5.0 technology. Turn on Bluetooth for your smartphone. Download and open the App. Create an account (optional) or click Try now to use as a guest. Turn on the scale and make sure the screen is on. Press Add Device on the App, and the scale will pop out, press Go to add. Wait till the connection is accomplished, then press Next. Press Done and the scale will be shown on HomePage of the App. NOTE:

Open the App before turning on the kitchen scale for successful pairing. If you have troubles pairing the scale with the App, press and hold the UNIT button for about 5 seconds with the scale on, when it shows CLr and turn off, then start over at step 1. 6 7 Operation Measuring with Tare Function Please process the unit setting before your first measurement.

(Refer to Changing the Weight Unit for more details) Tare function allows you to weigh different items consecutively without removing the items from the scale. 1. Place the scale on a solid, level and flat surface to weigh. 2. Do not put any thing on the scale. 3. Press the ON/OFF/TARE button lightly to enter the weighing mode. 4. You can start to weigh when 0 is shown on the LED. 1. When the scale is off, press the ON/OFF/TARE button to enter the weighing mode.You can start to weigh when 0 is shown on the LED. lb fl.oz. oz g ml g 5. Place the item you wish to weigh onto the scale, the weight will be shown. 2. Place the first item you wish to weigh onto the scale, the LED will show the weight of the first item. Operation Weighing Mode g g NOTE: When the scale is successfully paired with your smartphone and the Bluetooth is ON, the measurement data will be automatically transmitted to your smartphone via Bluetooth.

(Please refer to When Data Transmitting for more details.) 3. Press the ON/OFF/TARE button button to reset the display to zero. g g 8 9 CAUTION If the weight is less than 600g, the "TARE" icon will not appear on the display by pressing the ON/OFF/TARE button. Operation Troubleshooting 4. Now add another item to weigh onto the scale. The LED will show the weight of the newly added item. Troubleshooting g g g 5. If you remove the item added to the scale, the LED will again show zero. But if you remove all items from the scale, the LED will show a negative value indicated by a minus sign. 6. When it shows the negative value, press the ON/OFF/TARE button again, it will clear to zero, and the "TARE" icon will disappear. 7. If there is no operation and the weight is steady in weighing mode, the scale will turn off automatically in about 1 minute. Or you can press and hold the ON/OFF/TARE button for about 2s to turn it off. NOTE: When your scale is successfully paired with your smartphone and the Bluetooth is ON, the measurement data will be automatically transmitted to your smartphone via Bluetooth.

(Please refer to When Data Transmitting for more details.) Problem Root Cause Solution The LED display is dim or displays Lo The power is not enough. Please replace with 3xAAA (1.5V per each) new batteries. The device isnt on when you press the ON/OFF/TARE button. The batteries are exhausted. Please replace with 3xAAA (1.5V per each) new batteries. The batteries are not inserted correctly. Please insert the batteries according to the indication correctly. The LED displays Overload. Please remove the weight on the scale to protect the loadcells. Suggest buy a new scale with higher weight range. The LED displays The weight is unstable when you turn on the scale. Keep the weight stable when you turn on the scale. The LED displays The objects, which weigh over 600g, are placed on the scale before it is switched on. Remove the things from the scale, wait until it displays zero, then you can start weighing. 10 11 Troubleshooting Specifications When Data Transmitting ... Problem Root Cause Solution Bluetooth is OFF. Turn ON the Bluetooth via Settings. Specifications Product Name Kitchen Scale Dimension Whole size: 15020019.6mm (Approximately) Net Weight Approx. 450g (Including the dry batteries) Data transmission failed. The App is OFF. Press the icon to run your App. Display Digital LED Measurement Unit g / fl.oz. / lb:oz / ml Out of range of Bluetooth Place your smartphone closer to transmission. the scale. Minimal Weight 2g Measurement Range 5000g / 176.0 fl.oz. / 11lb:0.4oz / 5000ml Division 1g / 0.1fl.oz / 0.1oz/ 1ml Accuracy F.S*3+1d Working Environment Temperature: 5 to 40 Relative Humidity: 90% RH Atmospheric pressure: 86kPa to 106kPa Storage Environment Temperature: -20 to 60 Relative Humidity: 90% RH Atmospheric pressure: 50kPa to 106kPa Frequency Range 2402MHz - 2480MHz RF Max Power 5dBm Power Source 4.5V (3xAAA batteries) The scale will turn off in about 1 minute if there is no operation and the weight data is stable. Auto-Off Accessories 1. 3xAAA batteries 2. User Manual About the Accuracy of This Product This product passes strict inspection before delivery and therefore its accuracy is guaranteed by the manufacturer. Please refer to the above table for the descriptions on accuracy. WARNING: No modification of this equipment is allowed. 13 12 Maintenance Maintenance Donts:

When carrying out usual maintenance, please ensure practice of the following Dos and DO use a dry soft cloth to wipe the dust. DO use a wet soft cloth, dipped into water and wrung out, to wipe the dirt. Then use a dry soft cloth to dry up the device. DONT wash the device with water or immerse it in water. DONT use propellant, abrasive or other chemicals to wipe the dirt in avoidance of discolor or malfunction. DONT disassemble this device. If you have any problems, please contact Transtek.

(Please refer to Warranty for contact information) Warranty Transtek warrants its products free of defects in materials and workmanship in normal use for a period of TWO years from the date of retail purchase. This warranty does NOT cover damages caused by misuse or abuse, including but not limited to:

Failure caused by unauthorized repairs or modifications;

Damage caused by shock or drop during transportation;

Failure caused by improper operation inconsistent with the instructions stated in this user manual;

Malfunction or damage from failure to provide the recommended maintenance;

Damage caused by improper use of power supply. Should this device require maintenance (or replacement at our option) under warranty, please deliver the original package to ZHONGSHAN TRANSTEK ELECTRONICS CO., LTD prepaid. Please return the store receipt (with the retail purchase date) and a note with reasons to return on it as well. ZHONGSHAN TRANSTEK ELECTRONICS CO., LTD No.23,Jin'an Road, Minzhong, Zhongshan, 528441, Guangdong, China Tel: 86-760-88282982 Website: http://www.transtek.cn Appendix FCC Regulations FCC User Guide Information Radio Frequency Interface Requirements - FCC Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna;

Increase the separation between the equipment and receiver;

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected;

Consult the dealer or an experienced radio / TV technician for help. Radio Transmitters (Part 15) This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. FCC RF Exposure Guidelines Safety Information Reducing RF Exposure - Use Properly Only operate the device in accordance with the instructions supplied. This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. 14 15 Appendix Warning

-- CAUTION! RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.

-- DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.

-- Disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, that can result in an explosion.

-- Leaving a battery in an extremely high temperature surrounding environment that can result in an explosion or the leakage of flammable liquid or gas.

-- A battery subjected to extremely low air pressure that may result in an explosion or the leakage of flammable liquid or gas. EU DOC Hereby, ZHONGSHAN TRANSTEK ELECTRONICS CO., LTD declares that the GKS-2156-B is in compliance with RED 2014/53/EU. The full text of the EU DOC is available at the following internet addresss: <https://www.transtekcorp.com>

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Kitchen Scale Model: GKS-2156-B Max: 5kg Power Supply: 3 x AAA Batteries 4.5V FCC ID: 2AOJNGKS-2156-B This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. ZHONGSHAN TRANSTEK ELECTRONICS CO., LTD 23, Jin'an Road, Minzhong, Zhongshan, 528441, Guangdong, China SN:

Applicant Declaration Applicant Legal Business Name Zhongshan Transtek Electronics Co., Ltd No. 23,Jin'an Road, Minzhong, Zhongshan ,Guangdong, ChinaZhongshan, China SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Declaration Letter Address Grantee Code FCC ID Contact Email Contact Phone Authorized Contact Name Tea Du 2AOJN 2AOJNGKS-2156-B tea.du@lifesense.com 13823906030 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare;

a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for:

(1) labeling the equipment with the exact FCC ID as specified in this application,

(2) compliance statement labeling pursuant to the applicable rules,

(3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCCs technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements.

(1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing.

(2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED.

(3) the Applicant shall, upon request by SGS, at the Applicants expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a party for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Title: Health research and development department director director

*NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database Date: 7/25/2022 Applicant Declaration Rev:0.0 Applicant Signature:

Print Name: Tea Du development department director

Zhongshan Transtek Electronics Co., Ltd Date: 7/25/2022 Authority letter FCC TO:

Federal Communication Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MID 21046 Regarding: FCC ID: 2AOJNGKS-2156-B To whom it may concern:

We, the undersigned, hereby authorize SGS-CSTC Standards Technical Services Co., Ltd. (SGS) Guangzhou branch and Kobe Jian in SGS-CSTC Standards Technical Services Co., Ltd. (SGS) Guangzhou branch to act on our behalf in all manners relating to application for equipment authorization with respect to the FCC ID above, including signing of all documents relating to these matters. Any and all acts carried out by the agent on our behalf shall have the same effect as acts of our own. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 853(a). Where our agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by SGS North America, Inc., still resides with Zhongshan Transtek Electronics Co., Ltd. This authorization is valid until further written notice from the applicant. Title: Health research and development director Name (Printed): Tea Du Signature:

On behalf of Company: Zhongshan Transtek Electronics Co., Ltd

Zhongshan Transtek Electronics Co., Ltd Confidentiality Request regarding application for FCC ID: 2AOJNGKS-2156-B No. 23,Jin'an Road, Minzhong, Zhongshan ,Guangdong, China Zhongshan, China SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States Confidential letter FCC To:

From: Zhongshan Transtek Electronics Co., Ltd Regarding:

LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commissions rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. Sincerely, Title: Health research and development director Name (Printed): Tea Du Signature:

On behalf of Company: Zhongshan Transtek Electronics Co., Ltd