2A8YB-XH-X33 IN 1 WIRELESS CHARGER

Shenzhen Xinhui Wireless Intelligence Co., LTD U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: [email protected] This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: Feb 22, 2023 Signed by (Printed Name/Title): Kenneth Young/Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Shenzhen Xinhui Wireless Intelligence Co., LTD Grantee Code: 2A8YB FCC ID: 2A8YB-XH-X3 Contact Name: Xiaohui Zeng Street Address: C1105, Silver Star Science and Technology Building, No. 1301, Sightseeing Road, Longhua District, City/Province/Zip: Shenzhen, China Telephone No: +86 15816465008 Email: [email protected] Applicant Signature: Date: 2023-02-22 Signed by (Printed Name/Title): Xiaohui Zeng / Project manager

Shenzhen Xinhui Wireless Intelligence Co., LTD 2023.02.22 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for 2A8YB-XH-X3 [Shenzhen Xinhui Wireless Intelligence Co., LTD] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) Xiaohui Zeng Shenzhen Xinhui Wireless Intelligence Co., LTD 2023.02.22 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for 2A8YB-XH-X3 [Shenzhen Xinhui Wireless Intelligence Co., LTD] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Xiaohui Zeng

Shenzhen Xinhui Wireless Intelligence Co., LTD 2023.02.22 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: 3 IN 1 WIRELESS CHARGER Trademark: N/A MODEL : XH-X3, X2, XH-X1, XH-X2, XH-X4, XH-X5, XH-X6, XH-X7, XH-X8, XH-X9, XH-X10, XH-P1, XH-P2, XH-P3, XH-P4, XH-P5, XH-P6 FCC ID : 2A8YB-XH-X3 To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Xiaohui Zeng / Project manager Contact information / address: C1105, Silver Star Science and Technology Building, No. 1301, Sightseeing Road, Longhua District, Shenzhen, China

Shenzhen Xinhui Wireless Intelligence Co., LTD 2023.02.22 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Client’s signature: Client’s name / title : Xiaohui Zeng / Project manager Contact information / address: C1105, Silver Star Science and Technology Building, No. 1301, Sightseeing Road, Longhua District, Shenzhen, China

Shenzhen Xinhui Wireless Intelligence Co., LTD Model Difference 2023-02-22 EUT NAME: 3 IN 1 WIRELESS CHARGER FCC ID: 2A8YB-XH-X3 MODEL : XH-X3, X2, XH-X1, XH-X2, XH-X4, XH-X5, XH-X6, XH-X7, XH-X8, XH-X9, XH-X10, XH-P1, XH-P2, XH-P3, XH-P4, XH-P5, XH-P6 All the model are the same circuit and RF module, except model names and color. Regards Sincerely Client’s signature: Client’s name / title : Xiaohui Zeng / Project manager Contact information / address: C1105, Silver Star Science and Technology Building, No. 1301, Sightseeing Road, Longhua District, Shenzhen, China

External Photos

Size:40*20mm 3 IN 1 WIRELESS CHARGER FCC ID: 2A8YB-XH-X3 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 Label location

Internal Photos Watch Antenna Phone Antenna Earphone Antenna

Shenzhen Longyunxun Electronic Co., LTD Product specification 客户/Client 名称/TYPE 产品型号 Model NO 产品编号 Part nunbering systey 客户料号 Cient p/NO 工程编号 Enginrer NO 日期/Dat 2022.6.29 e 本公司工程部/For Enginer Departner Only 修改内容/Rrvised Content认可日期/APProved Date 1 4 3.5*0 .5 *5 .3 *0 .0 8 *2 4 P*2 *6.3uH Address: 2nd Floor, Building B1, Songbai Industrial Park, Gongming Street, Guangming New District, Shenzhen Q值 =80 M 一、 线圈工艺/Coil technology: NO 1 winding turns direction N1 Wire gauge 2UEW-B-0.08*24*2P 10TSCCW 2 二．电气性能/FEATURES: 1.测试条件（Testconditions）：25°C,65%RH@100KHz/1V 1.1 电感量（Inductance） 1.11L0A （单独线圈） =3.8u H ±20 % 1.12L0A( 线圈 + 磁片 )= 6.3uH ±10 % 1.2 1.3 1.4 工作温度 ( O peratingTe m perature) ：- 25 °C~ 85 直流电阻（ D C R ）： 45mΩ M A X °C 2.测试仪器(Test instrum ent)：L:创达1068+1310 ; DCR:502BC ; SIZE:C all ipers 2 IN 三．电路图 /CIRCUITDIA G RA M Unit：MM 四．外形图/OUTSIDE DIAGRA 3 20.5 160 五．包装/PACKAGE 1260 5.3包装以现有包装盘为参照标准，以实际出货包装为准，如有特需要求可以定制。 The packagingshalbebasedontheexustingpackingplateandtheactualdeliverypackageshalprevail.Ifthereisanyrequirement,wecancustomizeit. 4 六、贮存和使用条件Storage and Use condition 6.1贮存条件Storage condition 6. 1.1 建议贮存条件：温度 -25°C ~ 85°C ，湿度 70 (Max.) Recommendedkeepingcondition s :-25°C ~ 85 °C , 70 RH(Max.) 6.1.2贮存期限：自生产之日起六个月内 St orage life : Withi n the limits of six mont hs from be ing pr oduc ed. 6.2使用条件Use condition 使用条件限制：温度=-25°C~85°C,湿度≤90 Use conditionlimit:T=-25 °C~85°C,RH≤90. 5

Product specification Product type Watch wireless charging coil Material number DZ -RC24 -K8.1 -L12MM Q Establishment AuditApprove Dongguan Dingzhi Electronic Technology Co., LTD Address: 7th Floor, East of Building A, Xinbosheng Industrial Park, No.5, Xinyuan South Road, Tangxia Town, Dongguan City Product specification ♦、Overall dimension (unit: mm) A24.0 ±1.0 B13.5 ±1.0 C 7.2*2.2 D1.2 ±0.05 E2.0 ±1.0 F12.0 ±2.0 J0.1 ±0.1 J2.3 ±0.2 ♦、 Electrical characteristics: Parameter SpecificationTest conditionTesting instrument L(W1)8.1±5%μH100KHz/1V■TH2816B DCR(W1)<120mΩ@ 25 °C ■CH-502BC Q>20 min100KHz/1V■TH1816B ♦、 Temperature class: temperature -40°C~ 125°C A D B C E F

No.：BCTC/RF-EMC-005 Page 1 of 29 Edition：A.5 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2302814173-1E Applicant: Shenzhen Xinhui Wireless Intelligence Co., LTD Product Name: 3 IN 1 WIRELESS CHARGER Model/Type Ref.: XH-X3 Tested Date: 2023-02-07 to 2023-02-16 Issued Date: 2023-02-16 Report No.: BCTC2302814173-1E No.：BCTC/RF-EMC-005 Page 2 of 29 Edition：A.5 FCC ID: 2A8YB-XH-X3 The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: 3 IN 1 WIRELESS CHARGER Trademark: N/A Model/Type Ref.: XH-X3 X2, XH-X1, XH-X2, XH-X4, XH-X5, XH-X6, XH-X7, XH-X8, XH-X9, XH-X10, XH-P1, XH-P2, XH-P3, XH-P4, XH-P5, XH-P6 Prepared For: Shenzhen Xinhui Wireless Intelligence Co., LTD Address: C1105, Silver Star Science and Technology Building, No. 1301, Sightseeing Road, Longhua District, Shenzhen, China Manufacturer: Shenzhen Xinhui Wireless Intelligence Co., LTD Address: C1105, Silver Star Science and Technology Building, No. 1301, Sightseeing Road, Longhua District, Shenzhen, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-02-07 Sample tested Date: 2023-02-07 to 2023-02-16 Issue Date: 2023-02-16 Report No.: BCTC2302814173-1E Test Standards: FCC Part15.209 ANSI C63.10-2013 Test Results: PASS Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2302814173-1E No.：BCTC/RF-EMC-005 Page 3 of 29 Edition：A.5 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 4 2. Test Summary ....................................................................................................... 5 3. Measurement Uncertainty ..................................................................................... 6 4. Product Information And Test Setup ..................................................................... 7 4.1 Product Information ............................................................................................... 7 4.2 Support Equipment ............................................................................................... 7 4.3 Test Setup Configuration ...................................................................................... 8 4.4 Test Mode ............................................................................................................. 9 5. Test Facility And Test Instrument Used ............................................................... 10 5.1 Test Facility ......................................................................................................... 10 5.2 Test Instrument Used .......................................................................................... 10 6. Conducted Emissions .......................................................................................... 12 6.1 Block Diagram Of Test Setup .............................................................................. 12 6.2 Limit .................................................................................................................... 12 6.3 Test Procedure ................................................................................................... 12 6.4 EUT Operating Conditions .................................................................................. 12 6.5 Test Result .......................................................................................................... 13 7. Radiated Emissions ............................................................................................. 15 7.1 Block Diagram Of Test Setup .............................................................................. 15 7.2 Limit .................................................................................................................... 16 7.3 Test Procedure ................................................................................................... 16 7.4 Test Result .......................................................................................................... 17 8. Bandwidth Test .................................................................................................... 21 9. Antenna Requirements ........................................................................................ 25 10. EUT Photographs ................................................................................................ 26 11. EUT Test Setup Photographs.............................................................................. 27 (Note: N/A Means Not Applicable) Report No.: BCTC2302814173-1E No.：BCTC/RF-EMC-005 Page 4 of 29 Edition：A.5 1. Version Report No. Issue Date Description Approved BCTC2302814173-1E 2023-02-16 Original Valid Report No.: BCTC2302814173-1E No.：BCTC/RF-EMC-005 Page 5 of 29 Edition：A.5 2. Test Summary The Product has been tested according to the following specifications: No. Test Parameter Clause No Results 1 Conducted Emission 15.207 PASS 2 Radiated Emission 15.209 PASS 3 20dB Bandwidth 15.215 PASS 4 Antenna Requirement 15.203 PASS Report No.: BCTC2302814173-1E No.：BCTC/RF-EMC-005 Page 6 of 29 Edition：A.5 3. Measurement Uncertainty Where relevant, the following measurement uncertainty levels have been estimated for tests performed on the Product as specified in CISPR 16-4-2. This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2. No. Item Uncertainty 1 3m chamber Radiated spurious emission(9kHz-30MHz) U=3.7dB 2 3m chamber R…

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No.：BCTC/RF-EMC-005 Page 1 of 13 Edition：A.5 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2302814173-2E Applicant: Shenzhen Xinhui Wireless Intelligence Co., LTD Product Name: 3 IN 1 WIRELESS CHARGER Model/Type Ref.: XH-X3 Tested Date: 2023-02-07 to 2023-02-16 Issued Date: 2023-02-16 Report No.: BCTC2302814173-2E No.：BCTC/RF-EMC-005 Page 2 of 13 Edition：A.5 FCC ID: 2A8YB-XH-X3 The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: 3 IN 1 WIRELESS CHARGER Trademark: N/A Model/Type Ref.: XH-X3 X2, XH-X1, XH-X2, XH-X4, XH-X5, XH-X6, XH-X7, XH-X8, XH-X9, XH-X10, XH-P1, XH-P2, XH-P3, XH-P4, XH-P5, XH-P6 Prepared For: Shenzhen Xinhui Wireless Intelligence Co., LTD Address: C1105, Silver Star Science and Technology Building, No. 1301, Sightseeing Road, Longhua District, Shenzhen, China Manufacturer: Shenzhen Xinhui Wireless Intelligence Co., LTD Address: C1105, Silver Star Science and Technology Building, No. 1301, Sightseeing Road, Longhua District, Shenzhen, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2023-02-07 Sample tested Date: 2023-02-07 to 2023-02-16 Issue Date: 2023-02-16 Report No.: BCTC2302814173-2E Test Standards: FCC CFR 47 part1, 1.1307(b), 1.1310 Test Results: PASS Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2302814173-2E No.：BCTC/RF-EMC-005 Page 3 of 13 Edition：A.5 Table Of Content Test Report Declaration Page 1. Version .................................................................................................................. 4 2. Product Information ............................................................................................... 5 2.1 Product Information ............................................................................................... 5 2.2 Support Equipment ............................................................................................... 5 2.3 Test Mode ............................................................................................................. 5 3. Test Facility And Test Instrument Used ................................................................. 7 3.1 Test Facility ........................................................................................................... 7 3.2 Test Instrument Used ............................................................................................ 7 4. Method Of Measurement ....................................................................................... 8 4.1 Applicable Standard .............................................................................................. 8 4.2 Block Diagram Of Test Setup ................................................................................ 8 4.3 Limit ...................................................................................................................... 9 4.4 Test Procedure ..................................................................................................... 9 4.5 Equipment Approval Considerations ................................................................... 10 4.6 E And H Field Strength ....................................................................................... 11 5. Photographs Of Test Set-Up ............................................................................... 12 (Note: N/A Means Not Applicable) Report No.: BCTC2302814173-2E No.：BCTC/RF-EMC-005 Page 4 of 13 Edition：A.5 1. Version Report No. Issue Date Description Approved BCTC2302814173-2E 2023-02-16 Original Valid Report No.: BCTC2302814173-2E No.：BCTC/RF-EMC-005 Page 5 of 13 Edition：A.5 2. Product Information 2.1 Product Information Model/Type Ref.: XH-X3 X2, XH-X1, XH-X2, XH-X4, XH-X5, XH-X6, XH-X7, XH-X8, XH-X9, XH-X10, XH-P1, XH-P2, XH-P3, XH-P4, XH-P5, XH-P6 Model differences: All the model are the same circuit and RF module, except model names and color. Product Description: 3 IN 1 WIRELESS CHARGER Operation Frequency: Phone: 115kHz-205kHz Earphone: 115kHz-205kHz Watch: 300kHz-350kHz Antenna installation: loop coil antenna Ratings: Input: DC 9V/2A, 12V/1.5A Phone output: 5W/7.5W/10W/15W Earphone output: 5W Watch output: 3W Hardware Version: N/A Software Version: N/A Remark: The antenna gain of the product is provided by the customer, and the test data is affected by the customer information. Cable of Product No. Cable Type Quantity Provider Length (m) Shielded Note 1 -- -- Applicant --- Yes/No With a ferrite ring in mid Detachable 2 -- -- BCTC -- Yes/No -- 2.2 Support Equipment No. Device Type Brand Model Series No. Note 1. Adapter UGreen CD122 --- --- Notes: 1. All the equipment/cables were placed in the worst-case configuration to maximize the emission during the test. 2. Grounding was established in accordance with the manufacturer’s requirements and conditions for the intended use. 2.3 Test Mode Test Modes 1 Wireless charger 5W (Phone) + Wireless charger 5W (Earphone) + Wireless charger 3W (Watch) Test Modes 2 Wireless charger 7.5W (Phone) + Wireless charger 5W (Earphone) + Wireless charger 3W (Watch) Test Modes 3 Wireless charger 10W (Phone) + Wireless charger 5W (Earphone) Test Modes 4 Wireless charger 10W (Phone) + Wireless charger 3W (Watch) Report No.: BCTC2302814173-2E No.：BCTC/RF-EMC-005 Page 6 of 13 Edition：A.5 Test Modes 5 Wireless charger 15W (Phone) Report No.: BCTC2302814173-2E No.：BCTC/RF-EMC-005 Page 7 of 13 Edition：A.5 3. Test Facility And Test Instrument Used 3.1 Test Facility All measurement facilities used to collect the measurement data are located a…

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Report No.: BCTC2302814173E No.：BCTC/RF-EMC-005 Page 27 of 29 Edition：A.5 EUT Test Setup Photographs Conducted emissions Photo Radiated Measurement Photos Report No.: BCTC2302814173E No.：BCTC/RF-EMC-005 Page 28 of 29 Edition：A.5 Report No.: BCTC2302814173E No.：BCTC/RF-EMC-005 Page 12 of 13 Edition：A.5 Photographs Of Test Set-Up 15CM