2BCFE-S33-in-1 Wireless Charger

- Shenzhen Sister Digital Technology Co.,Ltd - Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 8/30/2024 U.S. Agent Designation Shenzhen Sister Digital Technology Co.,Ltd acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2BCFE-S3): Name and company of U.S. agent: UUX GROUP INC Physical U.S. address of agent: 36 South 18th Avenue, Suite A Brighton, CO USA 80601 FRN of U.S. agent: 0033701590 Email address of U.S. agent: [email protected] UUX GROUP INC acknowledges their obligation to accept service of process on behalf of Shenzhen Sister Digital Technology Co.,Ltd. Shenzhen Sister Digital Technology Co.,Ltd with the FRN 0034103044 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature LeXing Xie General Manager Shenzhen Sister Digital Technology Co.,Ltd Signature Jack Fu Manager UUX GROUP INC 48_[model] US_Agent_2.911(d)(7) - U, V05

Page 1 of 4 FCC ID: 2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. EUT Constructional Details External EUT Photo Photo 1 Photo 2 Page 2 of 4 FCC ID: 2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 3 Photo 4 Page 3 of 4 FCC ID: 2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 5 Photo 6 Page 4 of 4 FCC ID: 2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 7 ---The End---

Label Size: L40mm * W30mm 1. The label is silk-screen on the sample 3-in-1 Wireless Charger Model Name: S3 FCC ID: 2BCFE-S3 L W

Page 1 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. EUT Constructional Details Internal EUT Photo Photo 1 Photo 2 Page 2 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 3 Photo 4 Earphone Coil Page 3 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 5 Photo 6 Page 4 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 7 Photo 8 Page 5 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 9 Photo 10 Phone Coil Watch Coil Page 6 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 11 Photo 12 Page 7 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 13 Photo 14 Page 8 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 15 Photo 16 Page 9 of 9 FCC ID:2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Photo 17 Photo 18 ------End------

Page 1 of 14 Report No.: AiTSZ-240815021W4 Note: This device has been tested and found to comply with the standard(s) listed, this test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Product Name : 3-in-1 Wireless Charger Brand Name : N/A Model : S3 Series Model : N/A FCC ID : 2BCFE-S3 Applicant : Shenzhen Sister Digital Technology Co.,Ltd Address : Room 507, 5th Floor, Building 1, Baokun Science and Technology Park,Dalang Xinling Road, Longhua District, Shenzhen Manufacturer : Shenzhen Sister Digital Technology Co.,Ltd Address : Room 507, 5th Floor, Building 1, Baokun Science and Technology Park,Dalang Xinling Road, Longhua District, Shenzhen Standard(s) : FCC CFR 47 PART 1, § 1.1310 KDB 680106 D01 Wireless Power Transfer v04 Date of Receipt : Aug. 15, 2024 Date of Test : Aug. 15, 2024~ Aug. 22, 2024 Issued Date : Aug. 22, 2024 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Leon.yi Sean She Page 2 of 14 Report No.: AiTSZ-240815021W4 Report Revise Record Report Version Issued Date Notes M1 Aug. 22, 2024 Initial Release Page 3 of 14 Report No.: AiTSZ-240815021W4 Contents 1 GENGENERAL INFORMATION ................................................................................................................................ 4 1.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 4 1.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2.1 DESCRIPTION OF THE TEST MODE ..................................................................................................................................... 6 2.2 SPECIAL ACCESSORIES ................................................................................................................................................... 6 2.3 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 6 3 TEST CONDITIONS AND RESULTS ........................................................................................................................... 7 3.1 APPLICABLE STANDARD .................................................................................................................................................. 7 3.2 LIMIT ......................................................................................................................................................................... 7 3.3 TEST SETUP ................................................................................................................................................................. 7 3.4 MEASUREMENT PROCEDURE .......................................................................................................................................... 8 3.5 TEST RESULT OF E AND H FIELD STRENGTH ........................................................................................................................ 8 3.6 EQUIPMENT APPROVAL CONSIDERATIONS ....................................................................................................................... 11 3.7 CONCLUSION ............................................................................................................................................................. 11 4 TEST SETUP PHOTOGRAPHS OF EUT .................................................................................................................... 12 Page 4 of 14 Report No.: AiTSZ-240815021W4 1 GENGENERAL INFORMATION 1.1 Environmental conditions During the measurement the environmental conditions were within the listed ranges: Normal Temperature: 25°C Relative Humidity: 55 % Air Pressure: 101 kPa 1.2 General Description of EUT Product Name: 3-in-1 Wireless Charger Model/Type reference: S3 Power Supply: Input: 9V⎓3A Output: 5W/7.5W/10W/15W(Phone) Output: 3W(Earphone) Output: 2W(for iWatch) Hardware version: N/A Software version: N/A Sample(s) Status: AiTSZ-240815021-01(Normal sample) AiTSZ-240815021-02(Engineer sample) Wireless Charger: Operation frequency: Coil1: For Phone: 113kHz-205kHz Coil2: For Earphone: 113kHz-205kHz Coil3: Watch: 300kHz-350kHz Modulation Technology: ASK Antenna Type: Loop coil Antenna Antenna gain: 0dBi Remark: The above DUT's information was declared by manufacturer. For more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. Page 5 of 14 Report No.: AiTSZ-240815021W4 1.3 Test Facility Test Laboratory: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Indu…

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Page 1 of 21 Report No.: AiTSZ-240815021W3 Note: This device has been tested and found to comply with the standard(s) listed, this test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Product Name : 3-in-1 Wireless Charger Brand Name : N/A Model : S3 Series Model : N/A FCC ID : 2BCFE-S3 Applicant : Shenzhen Sister Digital Technology Co.,Ltd Address : Room 507, 5th Floor, Building 1, Baokun Science and Technology Park,Dalang Xinling Road, Longhua District, Shenzhen Manufacturer : Shenzhen Sister Digital Technology Co.,Ltd Address : Room 507, 5th Floor, Building 1, Baokun Science and Technology Park,Dalang Xinling Road, Longhua District, Shenzhen Standard(s) : FCC CFR Title 47 Part 15 Subpart C Date of Receipt : Aug. 15, 2024 Date of Test : Aug. 15, 2024~ Aug. 22, 2024 Issued Date : Aug. 22, 2024 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Leon.yi Sean She Page 2 of 21 Report No.: AiTSZ-240815021W3 Report Revise Record Report Version Issued Date Notes M1 Aug. 22, 2024 Initial Release Page 3 of 21 Report No.: AiTSZ-240815021W3 Contents 1 TEST SUMMARY .................................................................................................................................................... 4 1.1 TEST STANDARDS ......................................................................................................................................................... 4 1.2 TEST SUMMARY ........................................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 GENGENERAL INFORMATION ................................................................................................................................ 6 2.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 6 2.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3 DESCRIPTION OF THE TEST MODE ..................................................................................................................................... 7 2.4 SPECIAL ACCESSORIES ................................................................................................................................................... 7 2.5 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 7 3 TEST CONDITIONS AND RESULTS ........................................................................................................................... 9 3.1 CONDUCTED EMISSIONS TEST ......................................................................................................................................... 9 3.2 RADIATED EMISSIONS .................................................................................................................................................. 12 3.3 20DB BANDWIDTH ..................................................................................................................................................... 18 3.4 ANTENNA REQUIREMENT ............................................................................................................................................. 20 4 TEST SETUP PHOTOGRAPHS OF EUT .................................................................................................................... 21 5 EXTERNAL PHOTOGRAPHS OF EUT ...................................................................................................................... 21 6 INTERNAL PHOTOGRAPHS OF EUT ...................................................................................................................... 21 Page 4 of 21 Report No.: AiTSZ-240815021W3 1 TEST SUMMARY 1.1 Test Standards The tests were performed according to following standards: FCC Rules Part 15.207,15.209, 15.215(c) ANSI C63.10: 2013: American National Standard for Testing Unlicensed Wireless Devices 1.2 Test Summary Test Item Section in CFR 47 Test Result Electric Field Radiated Emissions FCC Part 15 C (Section15.209) PASS 20dB Bandwidth/99% Bandwidth FCC Part 15 C (Section15.215(c)) PASS AC Power Line Conducted Emission FCC Part 15 C (Section15.207) PASS Antenna Requirement FCC Part 15 C (Section15.203 PASS Page 5 of 21 Report No.: AiTSZ-240815021W3 1.3 Test Facility Test Laboratory: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China The test facility is re…

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Page1of3 SpecificationforApproval CUSTOMER: CUSTP/N: P/N:TX-WPCX-D42.5*0.6-7.8UH DESC: 20.5*39-0.08*80P-11TS-5mm-D42.5*0.6， -6.5uh DATE:Jan18,2024 Version: A.0 PREPAREDBY CHECKEDBY APPROVEDBY CUSTOMERAPPROVE Page2of3 VersionChangeHistory Rev. BeforeChange AfterChange ChangeDate ApprovedBy A.0 New ---- Jan18,2024JingWang Page3of3 SPECIFICATION DESC 20.5*39-0.08*80P-11TS-5mm- D42.5*0.6Tape:-6.5uH） Rev：A.0 CUST: CUSTP/N: 一、DIMENSION:(mm) 二、SCHEMATICDIAGRAM ADia.20±1mm BDia. 20.5±0.5mm CDia. 39±1mm DDia. 42.5±1mm ELength6±2mm FLength5mmMAX TThickness 0.6±0.2mm HHeight 2.5mmMAX Remarks: 1.Crossoutofthecoil, don’tloosenthewires. 2.Coilsarenotinaflat D42.5*0.6mmferritemagnet 3.D20*1.0hardmagnetin themiddle 4.Thickness:2.5mmMAX; 5.Cablessoldered 三、WindingSpecification: NO. TERMINAL WIRETurns WindingDirection 1SF0.08*80P11Ts anticlockwise 四、ELECTRICALCHARACTERISTICS: TEMPERATURE:25±10°C,RELATIVEHUMIDITY:65±20% NO. ITEM TERMINAL SPECIFICATION TESTFREQUENCYTESTEQUIPMENTS 1IND.S-F 4.5uH±10% 100KHz/1.0V LCZMETER1062B 2IND. S-F 6.5uH±10% 100KHz/1.0V LCZMETER1062B 3DCRS-F 600mΩMax LCZMETER502B PREPAREDBY/DATECHECKEDBY/DATE WeihaoZengJan18,2024 YanZhangJan18,2024

Page1of3 SpecificationforApproval CUSTOMER: CUSTP/N: P/N:TX-WPCX-D42.5*0.6-7.8UH DESC: 20.5*39-0.08*80P-11TS-5mm-D42.5*0.6， -6.5uh DATE:Jan18,2024 Version: A.0 PREPAREDBY CHECKEDBY APPROVEDBY CUSTOMERAPPROVE Page2of3 VersionChangeHistory Rev. BeforeChange AfterChange ChangeDate ApprovedBy A.0 New ---- Jan18,2024JingWang Page3of3 SPECIFICATION DESC 20.5*39-0.08*80P-11TS-5mm- D42.5*0.6Tape:-6.5uH） Rev：A.0 CUST: CUSTP/N: 一、DIMENSION:(mm) 二、SCHEMATICDIAGRAM ADia.20±1mm BDia. 20.5±0.5mm CDia. 39±1mm DDia. 42.5±1mm ELength6±2mm FLength5mmMAX TThickness 0.6±0.2mm HHeight 2.5mmMAX Remarks: 1.Crossoutofthecoil, don’tloosenthewires. 2.Coilsarenotinaflat D42.5*0.6mmferritemagnet 3.D20*1.0hardmagnetin themiddle 4.Thickness:2.5mmMAX; 5.Cablessoldered 三、WindingSpecification: NO. TERMINAL WIRETurns WindingDirection 1SF0.08*80P11Ts anticlockwise 四、ELECTRICALCHARACTERISTICS: TEMPERATURE:25±10°C,RELATIVEHUMIDITY:65±20% NO. ITEM TERMINAL SPECIFICATION TESTFREQUENCYTESTEQUIPMENTS 1IND.S-F 4.5uH±10% 100KHz/1.0V LCZMETER1062B 2IND. S-F 6.5uH±10% 100KHz/1.0V LCZMETER1062B 3DCRS-F 600mΩMax LCZMETER502B PREPAREDBY/DATECHECKEDBY/DATE WeihaoZengJan18,2024 YanZhangJan18,2024

Page 1 of4 Customer CUSTOMER: Customer Material Number: CUS T P / N: Material No.: P /N : Product Model Number: DESC: date DATE : edition: Version : SPECIFICATIONFOR APPROVAL Foreverdiffuse φ 14.0*20.5-0.08*24P-14TS-8-25C 20 23/ 12/05 A. 0 Fittingthe PR EP ARE D BY Review th eC HEC KE D BY Approval of th eAP P ROVEDBY Thecustomer ac kn owl ed ged th att he CUSTOMERAP P RO VE chenlihua SHENZHEN YONGMAN DIGITAL CO.,LTD Page 2 of4 Version Ch ange History editio n Rev . Prechange B e f o r e Change a f t e r c h a n g e A f t e r C h a n g e Change the d a t e o f Change Dat e Approval of the A pproved By A.0new issue ---- 2023/12/05 chen lihua Page 3 of4 Product mod el number: DE S C φ14.0*20.5-0.08*24P-14TS-8- 25CC Rev： A.0 CustomerCUST: Custom ermaterial nu mberCUSTP/N: 1.DimensionDIM E NS I ON :(mm) Deepgap 2 .A S ch e m at i c d ia g r a mo f th e S C H E M A TI CD I A GR A M 3.Windi ngpa rame terW indi ngS pec if i cation : A 8.0±0.5 B 25.0±0.5 C 14.0±1 D 20 .5±1 E 1 3.0mm F 3. 00±0. 5 G 2. 6±0.5 po u r: 1 .Cro ss c o ilou tl et 2. Th eco ili satt a c he d w i t h c ir cu l a r so f t m a gn e t i c she e t w it h s i z e φ8 * 2 5*1. 0 m m ; 3. Th e l ead outle t posi t io ni s sho w n ab ov e (w he nt heoutl etisu p, the dee pgapi sbelo w ) 4 .T h eo v erall t hic kn essofthecoil is n otm ore th a n3 m m;5 ord e r number N O. Ter m ina l, T ER MINA L Line dia met e r WI RE numb er of turn s Tur ns Win d ing dire ctio nis Wi ndin g Dir ec tio n 1SF 0.08*24 13T s anti clo ck w ise 4.El ect ric a lcha r acteri sticsE LEC TRI C ALCH A RACTER ISTICS : Te mperat ureTEM PE RAT URE :25 ±1 0°C ,hu mid ityRELATIVEHUM I DIT Y:65±20% orde r num b e r NO. The Pro j e c t I T E M Termina l, T ER M INA L standar d SPECIF ICA TIO N tes t conditi on TESTFRE QUENCY mea s uringan dtes t i n st r ume nts TESTEQUIP M E NTS 1 IND.S-F 4.8uH±10%,individual coil 100KHz/1.0VLCZMETER1062B 2 IND. S- F 6.5 uH ±10 %ta pem agn eti c tape 10 0 KH z/1 .0V LC Z ME TER 106 2B 3DCRS-F 6 00 mΩ M a x LCZMETE R 50 2B Page4of4 File / date PREPARED BY / DATEReview / Date CHECKED BY / DATE chenlihua 2023 / 12 / 05

Page 1 of 2 FCC ID: 2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Test Setup Photo DCD Conduction Radiation (9KHz-30MHz) Page 2 of 2 FCC ID: 2BCFE-S3 Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. Radiation (30MHz-1000MHz) ------End------