FCC ID: 2A6MI-BTH30 Bluetooth headset

OK GoodVoice Personal Sound Amplifier GV-SA03 Instructions for Use Before you begin ....................... 2 Contents ..................................... 3 OK GOOD Voice Overview ....... 4 Bluetooth Earphone ................... 5 Start Using .................................. 6 Work with your Mobile Phone ... 8 Use in everyday life .................. 10 Charging the Battery ................ 12 Specification ............................. 14 Manufacturer ............................ 15 Warranty Card ........................... 16 1 Before you begin 1. Thank you for choosing OK GoodVoice. Please read the manual before you enjoy the product 2. Please contact with your distributor If you have any questions. Modification of the device is not allowed. Otherwise, you may lose the warranty. 3. Please keep the instruction for use with you. 4. Please keep the device away from the source of electromagnetic or radiation, as these might interfere with the operation of device. 5. Do not wear the device while showering or participating in water 6. Use a soft, dry cloth to clean the device. It must never be washed or immersed in water or other liquids. 7. Keep the product away from heat to avoid burning or damaging to 8. Avoid violent vibration or crash the product. 9. Adjust the volume from low level to an acceptable level at the first time 10. The device, their parts should be kept out of reach of children and anyone who might swallow these items, or otherwise cause injury to themselves. 11. Overcharge the device might cause the deterioration of the battery. 12. Battery life may vary from the frequency of use. activities. product. startup. 2 Contents If any contents are damaged or missing, please contact your distributor immediately. Controller Bluetooth Earphones Instruction for use

(including Warranty Card) External Microphone USB to Type-C charging cable 2 in 1 USB charing cable

(Type-C + Micro USB) 3 OK GOOD Voice Overview Noise Reducon On Power Indicator External Microphone Jack Power Buon Type-C Charging Port Power Buon Volume Control Buon Audio Playing Buon Type-C Charging Port Pairing with Earphones Indicator Baery Level Indicator Volume Indicator (L/R) Noise Reducon Buon Pick-up Phone Buon 4 Bluetooth Earphone Pairing with Controller Indicator on/o Power Buon Micro USB Charging Port T h e i n c l u d e d B l u e t o o t h e a r p h o n e s i s exclusively designed for pairing with the controller. 5 Start Using 6 Press for 1 sec 1Turn on the Controller controller. Press once Press two power buttons to turn on the 2Turn on the Bluetooth Press for 3 sec on/o earphones Press the power button of Bluetooth earphones for 3 seconds until the blue light flash to power up.

, place the controll panel on your left side. 3Put on the Bluetooth earphones Place the controll panel on your left side. The earphones will be automatically paired with the controller Searching: The blue light (of the Bluetooth earphones) flashes twice at each interval. Connected: The blue light flashs once at each interval. The indicator will be lighting. 2425 4 R Adjust the Volume Press + to volume up Press - to volume down Audio Feedback can occur at any time, please keep the distance from the Controller to the earphones. 7 Working with Mobile Phone Connecting with Bluetooth Press on controller for 5 seconds untill middle of screen. flashes in the Turn on Bluetooth on your phone. C h o o s e O K G o o d Vo i c e i n Bluetooth setting of your phone. Press for 5 sec When you turn off your OK Good Voice or mobile phone, these will no longer be connected. To connect them again, turn on your OK Good Voice and mobile phone. Your OK Good Voice will then automatically re-connect to your mobile phone. If Bluetooth is disconnected from your phone, follow above steps to re-connect. 8 Answering Phone Calls iO S Answer directly from device: Press on the controller. Answer from your iPhone: Swipe right --> press the speaker --> choose OK Good Voice. Android Swipe your phone to answer it.

*Do not answer the phone from device directly. Enjoying the audio playing on your phone Press to listen to music or video playing on your phone. Press the button again to return to normal mode. 9 Use in everyday life When You are in a Noisy Environment Press to the noise-reduction mode. It will reduce the ambient noise. Press again, you will return to normal mode. L 10 25 R L 10 25 R When You are Watching TV Put the controller near to TV for better hearing. 10 L 10 25 R L 10 25 R When You are in a Meeting P u t t h e co nt ro ll e r o n t h e ce nte r of co nfe re n ce ro o m t a b l e , w h i c h makes following and participating in conversations easier. Daily Life Scenarios Using the external microphone or placing the controller near the sound source will help you hear better. L 1 0 2 5 R 11 RL1025 Charging the Battery Low Battery Red and blue lights flashes in turns Charging Red light on (when the device is off) Red light flashes (when the device is on) Charging Completed Red light off Charge with a Type-C cable displays and flashes on the Low Battery screen Charging The battery icon shows the battery level and flashes Charging Completed Battery icon stops flashing Your OK Good Voice is the combination of two parts, please make sure two parts are recharging separately. Prepare a portable charger with you when you are going out to make sure you can recharge your OK Good Voice in time. 12 Charge with a Type-C cable Low battery Red light flashes Charging Red light on Charging completed Red light off on/o Open the cap of the charging port, and charge with a micro USB cable. 13 Specification Controller Bluetooth Version:4.0 Bluetooth ProtocolA2DP, AVRCP, HFP, HSP Operating Range:10M Bluetooth powerCLASS 2 Bandwidth of Bluetooth 2.40 2.480GHz Battery capacity1050mAh/3.7V Use of Timemore than 8 hours, rechargeable Charge of Time2~2.5 hours Charging voltage/current5V/400mA~650mA (Max) Maximum decibel: 120dB Bluetooth Earphone Transmitter Bluetooth Version:5.0 Bluetooth ProtocolA2DP, AVRCP, HFP, HSP Bluetooth powerCLASS 2 Bandwidth of Bluetooth 2.40 2.480GHz Battery capacity280mAh/3.7V Use of Time8 hours, rechargeable Bluetooth Earphone Bluetooth Version:5.0 Bluetooth ProtocolA2DP, AVRCP, HFP, HSP Bluetooth powerCLASS 2 Bandwidth of Bluetooth 2.40 2.480GHz Battery capacity280mAh/3.7V Use of Time12 hours, rechargeable 14 Manufacturer OK Biotech Co., Ltd. Address: No. 91, Sec. 2, Gongdao 5th Rd., Hsinchu City 30070, Taiwan (ROC) Webside: www.okbiotech.com Tel: +886-3-5160258 Made in Taiwan FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 This device 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 device 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 device does cause harmful interference to radio or television reception, which can be determined by turning the device 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 device and receiver.

--Connect the device 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. 15 Warranty Card Thank you for choosing OK GoodVoice. This warranty applies for the period of 12 months from the date of purchase. Please keep the warranty card properly with you. Name:

Address:

Phone:

E-mail:

Production Lot Number:

Date of Purchase:

Purchased from (Dealers Name):

Dealer Stamp 1. In the period of warranty, we warrant your new Good Voice against defects in material and workmanship. Repair or replacement of your Good Voice is subject to the restrictions and conditions described in the following paragraphs. Damage resulting from misuse, abuse, accident, modification, and unsuitable physical or operating environment, natural disasters. Loss, careless handling or tampering, defects or damage by 2. This limited warranty does not cover accessories such as charging cable, 3. This limited warranty is not transferable and applies only to the original 4. Altering or removing identification label on the controller might affect your unauthorized service. external microphone. purchaser. Warranty. 5. The repair or replacement cannot be performed under the warranty if you refuse to provide your information, or without the dealer stamp on the warranty card. 16 GV-SA03-UG V1-JUN22

fa kk June 22, 2022 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, | appoint Shenzhen Timewa Testin Laboratories/Zone C 1st Floor Zone C ist Floor Block B Jun Xian Da Buildin Zhon shan Park Road West Ton Le Villa e Nanshan District Shenzhen China (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. | certify that submitted documents properly describe the device or system for which equipment certification is sought. | also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission's regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, | acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with OK Biotech Co. Ltd. /No.91 Sec. 2 Gon dao Sth Rd. 30070 Hsinchu Ci Taiwan

<Signature>:

Name: Eason Chiu Title: RD Legal Section Manager Applicant Company: OK Biotech Co., Ltd. E asn,

<Signature>:

Name: Eason Chiu Title: RD Legal Section Manager Applicant Company: OK Biotech Co., Ltd Schematics Block diagram Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. June 22, 2022 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2A6MI-BTH30 Product Name: Bluetooth headset Re uest for Confidentialit Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that itatsmie) Coys ilae meceerelant= Uni tom ey-Mar-)(e mere) ayi(e(=tal tte) p Enso Chin beater