2A4HE-DHThree in one charger

186g /15W Pink TWS 9/2A 7 7 Mobile phone holder / / 9 2 . . 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. 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 o ffand 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. To maintain compliance with FCC's RF Exposure guidelines, This equipment should be installed and operated with minimum distance between 20cm the radiator your body: Use only the supplied antenna. FCC ID: 2A4HE-DH Three in one chargerThree in one charger Three in one charger Three in one charger

ShenZhen Hai Da Feng Technology Co., Ltd. Model difference statement Product Name: Three in one charger Model N o.: DH10, DH10-1, DH10-2, DH10-3, DH10-4, DH11, DH12, DH13, DH15, DH16, DH17, D9 We (ShenZhen Hai Da Feng Technology Co., Ltd. A03, Juji Building, Yabian Community, Baoan Avenue, Yabian Student Wai, Shajing Street, Baoan District, ShenZhen, China) hereby state that all the models are the same circuit and module, except the model name. Signature: Name: Luobin Title: Project Manager Tel: 0755-88840107 Email: [email protected] Date: 11.30.2022

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: ShenZhen Hai Da Feng Technology Co., Ltd. Address: A03, Juji Building, Yabian Community, Baoan Avenue, Yabian Student Wai, Shajing Street, Baoan District, ShenZhen, China Product Name: Three in one charger Model Number: DH10, DH10-1, DH10-2, DH10-3, DH10-4, DH11, DH12, DH13, DH15, DH16, DH17, D9 FCC Identifier: 2A4HE-DH 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: Luobin Date: 11/30/2022 Title: Project Manager Signature of applicant:

C5266091_X10_Ed.1 1/1 ShenZhen Hai Da Feng Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 11/30/2022 Subject: Request for Confidentiality FCC ID: 2A4HE-DH 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 Long-Term Confidentiality Short-Term Confidentiality ID Label/Location No No Attestation Statement No No External Photos No Block Diagram Schematics Test Report No No Test Setup Photos No User’s Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) No No SDR Software / Security Info 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: Luobin Date: 11/30/2022 Title: Project Manager

Page 1 of 4 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Appendix - Ext Photos Model: DH10 Photo 1 Photo 2 Page 2 of 4 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 3 Photo 4 Page 3 of 4 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 5 Photo 6 Page 4 of 4 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 7 Photo 8 ----End of Report----

10W/15W 10W/15W 42.1mm 5V/3A 9V/2A 5V/3A 9V/2A FCC ID:2A4HE-DH FCC ID:2A4HE-DH

Page 1 of 6 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Appendix - Int Photos Model: DH10 Photo 1 Photo 2 Page 2 of 6 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 3 Photo 4 Page 3 of 6 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 5 Photo 6 Page 4 of 6 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 7 Photo 8 Page 5 of 6 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 9 Photo 10 ANT Page 6 of 6 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 11 ----End of Report----

Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel : (8 6-755)88850135 Fax: (86-755) 88850136 We b : www.mtitest.com E-mail: [email protected] Test Report Report No.: MTi221108003-01E2 Date of issue: 2022-11-26 Applicant: ShenZhen Hai Da Feng Technology Co., Ltd. Product: Three in one charger Model(s): DH10, DH10-1, DH10-2, DH10-3, DH10-4, DH11, DH12, DH13, DH15, DH16, DH17, D9 FCC ID: 2A4HE-DH Shenzhen Microtest Co., Ltd. http://www.mtitest.com Page 2 of 13 Report No.: MTi221108003-01E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Instructions 1. This test report shall not be partially reproduced without the written consent of the laboratory. 2. The test results in this test report are only responsible for the samples submitted 3. This test report is invalid without the seal and signature of the laboratory. 4. This test report is invalid if transferred, altered, or tampered with in any form without authorization. 5. Any objection to this test report shall be submitted to the laboratory within 15 days from the date of receipt of the report. Page 3 of 13 Report No.: MTi221108003-01E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Contents 1 General Description ........................................................................................................................ 5 1.1 Description of the EUT ....................................................................................................................................... 5 1.2 Description of test modes ................................................................................................................................... 5 1.3 Description of support units ................................................................................................................................ 6 2 Measurement uncertainty ............................................................................................................... 6 3 Test facilities and accreditations .................................................................................................... 7 3.1 Test laboratory .................................................................................................................................................... 7 4 List of test equipment ..................................................................................................................... 8 5 Test result ........................................................................................................................................ 9 5.2 Test setup ......................................................................................................................................................... 10 5.3 Test Procedures ................................................................................................................................................ 10 5.4 Equipment Approval Considerations item 5 b) of KDB 680106 D01 v03r01 .................................................... 11 5.5 Test results ....................................................................................................................................................... 12 Photographs of the Test Setup ............................................................................................................ 13 Photographs of the EUT....................................................................................................................... 13 Page 4 of 13 Report No.: MTi221108003-01E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Test Result Certification Applicant: ShenZhen Hai Da Feng Technology Co., Ltd. Address: A03, Juji Building, Yabian Community, Baoan Avenue, Yabian Student Wai, Shajing Street, Baoan District, Shen Zhen, China Manufacturer: ShenZhen Hai Da Feng Technology Co., Ltd. Address: A03, Juji Building, Yabian Community, Baoan Avenue, Yabian Student Wai, Shajing Street, Baoan District, Shen Zhen, China Product description Product name: Three in one charger Trademark: N/A Model name: DH10 Series Model: DH10-1, DH10-2, DH10-3, DH10-4, DH11, DH12, DH13, DH15, DH16, DH17, D9 Standards: FCC CFR 47 PART 1, § 1.1310 Test method: KDB 680106 v03r01 Date of Test Date of test: 2022-11-21 ~ 2022-11-26 Te s t result: Pass Test Engineer : (David Lee) Reviewed By: : (Leon Chen) Approved By: : (Tom Xue) Page 5 of 13 Report No.: MTi221108003-01E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] 1 General Description 1.1 Description of the EUT Product name: Three in one charger Model name: DH10 Series Model: DH10-1, DH10-2, DH10-3, DH10-4, DH11, DH12, DH13, DH15, DH16, DH17, D9 Model difference: All the models are the same circuit and module, except the model name. Electrical rating: Input: DC 5V/3A, 9V/2A Output: Watch Wireless Output: 2.5W TWS USB-C Output: 5W Mobile Phone USB-C Output: 10W/15W Accessories: Cable: USB-A to USB-C cable 1m Hardware version: DH10-V2.1 Software version: QC2.0 Test sample(s) number: MTi221108003-01S1001 RF specification: Operation frequency: 115 kHz – 205 kHz Modulation type: ASK Antenna type: Coil Antenna 1.2 Description of test modes All the test modes were carried out wit…

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Address: 101, No.7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel : (8 6-755)88850135 Fax: (86-755) 88850136 We b : www.mtitest.com E-mail: [email protected] Test Report Report No.: MTi221108003-01E1 Date of issue: 2022-11-26 Applicant: ShenZhen Hai Da Feng Technology Co., Ltd. Product: Three in one charger Model(s): DH10, DH10-1, DH10-2, DH10-3, DH10-4, DH11, DH12, DH13, DH15, DH16, DH17, D9 FCC ID: 2A4HE-DH Shenzhen Microtest Co., Ltd. http://www.mtitest.com Page 2 of 22 Report No.: MTi221108003-01E1 Address: 101, No. 7, Zone2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Instructions 1. This test report shall not be partially reproduced without the written consent of the laboratory. 2. The test results in this test report are only responsible for the samples submitted 3. This test report is invalid without the seal and signature of the laboratory. 4. This test report is invalid if transferred, altered, or tampered with in any form without authorization. 5. Any objection to this test report shall be submitted to the laboratory within 15 days from the date of receipt of the report. Page 3 of 22 Report No.: MTi221108003-01E1 Address: 101, No. 7, Zone2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Table of contents 1. General Description ........................................................................................................................ 5 1.1 Description of the EUT ....................................................................................................................................... 5 1.2 Description of test modes ................................................................................................................................... 5 1.3 Description of support units ................................................................................................................................ 6 1.4 Environmental conditions ................................................................................................................................... 6 2. Measurement uncertainty ............................................................................................................... 7 3. Test laboratory ................................................................................................................................. 7 4. Summary of Test Result .................................................................................................................. 8 5. List of test equipment ..................................................................................................................... 9 6. Test Results ................................................................................................................................... 10 6.1 Antenna requirement ........................................................................................................................................ 10 6.2 AC power line conducted emissions ........................................................................................................... 11 6.3 Radiated emissions..................................................................................................................................... 14 6.4 Occupied bandwidth test ............................................................................................................................ 21 Photographs of the test setup ............................................................................................................. 22 Photographs of the EUT....................................................................................................................... 22 Page 4 of 22 Report No.: MTi221108003-01E1 Address: 101, No. 7, Zone2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Test Result Certification Applicant: ShenZhen Hai Da Feng Technology Co., Ltd. Address: A03, Juji Building, Yabian Community, Baoan Avenue, Yabian Student Wai, Shajing Street, Baoan District, Shen Zhen, China Manufacturer: ShenZhen Hai Da Feng Technology Co., Ltd. Address: A03, Juji Building, Yabian Community, Baoan Avenue, Yabian Student Wai, Shajing Street, Baoan District, Shen Zhen, China Product description Product name: Three in one charger Trademark: N/A Model name: DH10 Series Model: DH10-1, DH10-2, DH10-3, DH10-4, DH11, DH12, DH13, DH15, DH16, DH17, D9 Standards: FCC 47 CFR Part 15 Subpart C Test method: ANSI C63.10-2013 Date of Test Date of test: 2022-11-21 ~ 2022-11-26 Te s t result: Pass Test Engineer : (David Lee) Reviewed By: : (Leon Chen) Approved By: : (Tom Xue) Page 5 of 22 Report No.: MTi221108003-01E1 Address: 101, No. 7, Zone2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] 1. General Description 1.1 Description of the EUT Product name: Three in one charger Model name: DH10 Series Model: DH10-1, DH10-2, DH10-3, DH10-4, DH11, DH12, DH13, DH15, DH16, DH17, D9 Model difference: All the models are the same circuit and module, except the model name. Electrical rating: Input: DC 5V/3A, 9V/2A Output: Watch Wireless Output: 2.5W TWS USB-C Output: 5W Mobile Phone USB-C Output: 10W/15W Accessories: Cable: USB-A to USB-C cable 1m Hardware version: DH10-V2.1 Software version: QC2.0 Test sample(s) number: MTi221108003-01S1001 RF specification: Operation freque…

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Page 1 of 2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Appendix - Test Setup Photos Model: DH10 Radiated emissions – Below 30 MHz Radiated emissions –Below 1 GHz Page 2 of 2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Conducted emissions MPE ----End of Report----