FCC ID: 2A3M6JHBT00000001 Bluetooth Product

Users Manual Product introduction This Bluetooth Productcompliant to Bluetooth 5.1Bluetooth Low Energy SystemSuitable for digital transparent transmission Product picture

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Steps for usage The magnet is attached to the crank and is directly opposite to the arrow of the Bluetooth box, see the picture below 1 Pull out the black insulating sheet of the Bluetooth device, at this time, the red light of the Bluetooth device flashes once in 1 second to indicate that it is turned on 2 Turn on the bluetooth of the mobile phone and open the corresponding APP, the mobile APP will automatically pair with the bluetooth box. After the pairing is successful, the red light of the Bluetooth device will flash once every 5 seconds. 3 The magnet is swiped across the corresponding position in the middle of the Bluetooth device, and the Bluetooth device instantly transparently transmits data information to the mobile APP.

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Note: The magnet cannot be swept across from the beginning to the end between the two screws of the Bluetooth box, which may cause inaccurate transmission data. 4 When the Bluetooth device is used for more than 3 months, or the Bluetooth device is disconnected, the battery can be replaced How to replace the battery

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FCC Warning 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. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

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Kt- 15mm ->|

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h6weEXLIS Bluetooth Prouduct Model: JH-01 FCCID:2A3M6JHBT00000001 battery: button battery 3V/200mAH Made in China FE CE aw 2

C5266091_X10_Ed.1 SHENZHEN JIEHUA ELECTRONICS CO., LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Subject: Request for Confidentiality FCC ID: 2A3M6JHBT00000001 Date: 12/9/2021 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info Long-Term Confidentiality No No No No No No Short-Term Confidentiality No No No No No Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Lori Ding Title: Development Manager Date: 12/9/2021 1/1

C5266091_X8_Ed.1 Letter of Authorization Company: SHENZHEN JIEHUA ELECTRONICS CO., LTD Address: 201, Building 4, No.2, Shangxue Science Park 1st Road, Bantian Street, Longgang District, Shenzhen, Guangdong, CN Product Name: Bluetooth Product Model Number: JH-01, JH-02, JH-03, JH-04, JH-05, JH-06, JH-07, JH-08, JH-09 FCC Identifier: 2A3M6JHBT00000001 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Lori Ding Date: 12/9/2021 Title: Development Manager Signature of applicant:

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SHENZHEN JIEHUA ELECTRONICS CO., LTD Model difference statement Product Name: Bluetooth Product Model No.: JH-01, JH-02, JH-03, JH-04, JH-05, JH-06, JH-07, JH-08, JH-09 We (SHENZHEN JIEHUA ELECTRONICS CO., LTD., 201, Building 4, No.2, Shangxue Science Park 1st Road, Bantian Street, Longgang District, Shenzhen, Guangdong, CN) hereby state that all the model are the same circuit and RF module, except the model name and appearance. Signature:

Name: Lori Ding Title: Development Manager Tel: 13714211685 Email: dinruiling@163.com Date: 12.9.2021