2BCZH-S400MAGNETIC WIRELESS PORTABLE CHARGING POWER BANK

Shenzhen Huanyu Baijia Technology Co., Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023-11-07 FCC ID: 2BCZH-S400 Ref. #1: Attestation Statements Part 2.911(d)(5)(i) Filing Shenzhen Huanyu Baijia Technology Co., Ltd 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. Ref. #2: Attestation Statements Part 2.911(d)(5)(ii) Filing Shenzhen Huanyu Baijia Technology Co., Ltd 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. Applicant: Shenzhen Huanyu Baijia Technology Co., Ltd Address: 505 Huichuang Workshop, Building B, No.8 Factory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen Contact Person: Sun wanli Tel.: +86 13168331943 Email: [email protected] Sincerely, Signature:

2.911 (d)(7)USA Agent v1.4 Shenzhen Huanyu Baijia Technology Co., Ltd Section 2.911(d)(7) USA Agent for Service of Process Company name: Shenzhen Huanyu Baijia Technology Co., Ltd Address: 505 Huichuang Workshop, Building B, No.8 Factory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen Product Name: MAGNETIC WIRELESS PORTABLE CHARGING POWER BANK FCC ID: 2BCZH-S400 Model(s): S400 2.911(d)(7) USA Designated Agent for Service of Process We, [Shenzhen Huanyu Baijia Technology Co., Ltd] (“the applicant”) designate [UGK-LVMUNITEDINC] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either we the grantee have permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address 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 at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Company name: UGK-LVMUNITEDINC USA Address: 6547NAcademyBlvd#2266,ColoradoSprin gs,CO80918 FRN Number: 0033476375 Contact Name: Jimmychen Telephone No: 001-323-51 04660 Email: [email protected] Applicant Company name: Shenzhen Huanyu Baijia Technology Co., Ltd Address: 505 Huichuang Workshop, Building B, No.8 F actory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen FCC Grantee Code: 2BCZH FRN Number: 0034267088 Contact Name: Sun wanli Telephone No: 13168331943 Email: [email protected] Signature: Signature: Title: Manager Shenzhen Huanyu Baijia Technology Co., Ltd 2.911 (d)(7)USA Agent v1.4 Title: Manager Date:2023-11-07 Date: 2023-11-07 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-securit y-threats-to-the-communications-supply-chain-through-the

Beiliu Hengda Electronic Technology Co.,LTD Client TYPE 1:1/44 magnetic sheet single hole single slot with adhesive tape length 15MM Model NO HJ-1:1-44-6.6UH Part nunbering systey 1:1-43.5-20-015 Client p/NO Enginrer NO TQE 1100530004 Date 2022-10-15 For Enginer Departner Only Rrvised Content APProved Date Prepared Checked Approved Qiu Fengyan Xiao Fangsheng Yangcheng Authorixed Signaturure Company Chop Enginrer QC APProved APProved 一、 Winding Procese: NO Winding Wire gauge Number of turns Winding direction Note 1 Coil1 Enameled wire 0.08*24-2P 10TS CW 2 二． FEATURES: 1.（Test conditions）：25°C,65%RH@100KHz/1V Beiliu Hengda Electronic Technology Co.,LTD 1.1 （Inductance）：6.6uH±10% 1.2 Q value =41MIN 1.3 DC Resistance（DCR）：80mΩ 1.4 (Operating Temperature)：-25°C~85°C 2. (Test instrument)：U2832 Precision LCR Meter 3. Material list ． CIRCUIT DIAGRAM unit： MM 四．OUTSIDE DIAGRA N O Project Material 1 WIRE ￠0.08*24-2p 2UEW-1mm 2 FERRITE 43.5*5.1*1 I-shaped slot ferrite hard magnet 3 GLUE white glue 4 SOLDER XCD-907B 5 Adhesive Double sided adhesive tape 6 High temperature adhesive / 7 Beiliu Hengda Electronic Technology Co.,LTD A B C D E F G H STD 20±0.1 40.5±0.1 44.5±0.05 15±2 2-3 0.8±0.2 0.9±0.05 unit： MM 五．PACKAGE Beiliu Hengda Electronic Technology Co.,LTD 5.2 Packing Quantity Item Quantity Material Box 375 pcs 370＊275＊55 mm Big Carton 1500 pcs 380＊285＊240 mm 5.3 The packaging shall be based on the exusting packing plate and the actual delivery package shall prevail .If there is any requirement,we can customize it.

Shenzhen Huanyu Baijia Technology Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: November 7, 2023 Subject; Request for Confidentiality FCC ID: 2BCZH-S400 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Sun wanli Title: Manager

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 Shenzhen Huanyu Baijia Technology Co., Ltd Date：Sept. 07, 2023 Product Model Number: MAGNETIC WIRELESS PORTABLE CHARGING POWER BANK FCC ID：2BCZH-S400 To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:  Testing  Approval applications and procedures We declare that ORGANIZATION. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out by ORGANIZATION. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title: Manager Email: [email protected] Telephone: +86 13168331943 On behalf of: Shenzhen Huanyu Baijia Technology Co., Ltd

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- Page 1 of 10 - Report No.: HB20231025002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com RF EXPOSURE Test Report Product: MAGNETIC WIRELESS PORTABLE CHARGING POWER BANK Trade Mark: N/A Model Number: S400 FCC ID: 2BCZH-S400 Prepared for Shenzhen Huanyu Baijia Technology Co., Ltd 505 Huichuang Workshop, Building B, No.8 Factory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 10 - Report No.: HB20231025002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 5 1.2 TEST MODE .............................................................................................................................................................. 5 1.3 TEST SETUP .............................................................................................................................................................. 5 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 5 2 TEST FACILITIES AND ACCREDITATIONS ............................................................................................................ 6 2.1 TEST LABORATORY ..................................................................................................................................................... 6 2.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 6 2.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 6 2.4 TEST SOFTWARE ........................................................................................................................................................ 6 3 LIST OF TEST EQUIPMENT ................................................................................................................................ 7 4 RF EXPOSURE .................................................................................................................................................. 8 4.1 MAXIMUM PERMISSIBLE EXPOSURE .............................................................................................................................. 8 4.1.1. Limit ............................................................................................................................................................ 8 4.1.2. Test Procedures ........................................................................................................................................... 8 4.1.3. Test Setup .................................................................................................................................................... 8 4.1.4. Test Result ................................................................................................................................................... 9 5 PHOTOGRAPHS OF THE TEST SETUP............................................................................................................... 10 - Page 3 of 10 - Report No.: HB20231025002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com TEST RESULT CERTIFICATION Applicant’s Name ................. : Shenzhen Huanyu Baijia Technology Co., Ltd Address ................................. : 505 Huichuang Workshop, Building B, No.8 Factory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen Manufacturer's Name .......... : Shenzhen Huanyu Baijia Technology Co., Ltd Address ................................. : 505 Huichuang Workshop, Building B, No.8 Factory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen Product description Product name ........................ : MAGNETIC WIRELESS PORTABLE CHARGING POWER BANK Model Number ....................... : S400 Standards ............................. : FCC CFR 47 PART 1 , 1.1310 Test procedure ....................... : KDB 680106 D01 Wireless Power Transfer v04 This device described above has been tested by Shenzhen HongBiao Certification& Testing Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the EMC requirements. And it is applicable only to the tested sample identified in the report. Date of Test ............................................ : Date (s) of performance of tests ............. : Oct. 25, 2023~ Nov. 02, 2023 Test Result ............................................... : Pass Testing Engineer : (Zoe Su) Technical Manager : ( G a r y Lu) Authorized Signatory : (L e o S u) - Page 4 of 10 - Report No.: HB20231025002E-02 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel…

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- Page 1 of 28 - Report No.: HB20231025002E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Test Report Product: MAGNETIC WIRELESS PORTABLE CHARGING POWER BANK Trade Mark: N/A Model Number: S400 FCC ID: 2BCZH-S400 Prepared for Shenzhen Huanyu Baijia Technology Co., Ltd 505 Huichuang Workshop, Building B, No.8 Factory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 28 - Report No.: HB20231025002E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 5 1.2 TEST MODE .............................................................................................................................................................. 5 1.3 TEST SETUP .............................................................................................................................................................. 5 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 6 2 SUMMARY OF TEST RESULT ............................................................................................................................. 7 3 TEST FACILITIES AND ACCREDITATIONS ............................................................................................................ 8 3.1 TEST LABORATORY ..................................................................................................................................................... 8 3.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 8 3.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 8 3.4 TEST SOFTWARE ........................................................................................................................................................ 8 4 LIST OF TEST EQUIPMENT ................................................................................................................................ 9 5 TEST ITEM AND RESULTS ............................................................................................................................... 11 5.1 ANTENNA REQUIREMENT .......................................................................................................................................... 11 5.2 CONDUCTED EMISSION ............................................................................................................................................. 12 5.3 RADIATED EMISSION ................................................................................................................................................ 16 5.4 OCCUPIED BANDWIDTH ............................................................................................................................................ 21 6 PHOTOGRAPHS OF THE TEST SETUP............................................................................................................... 22 7 PHOTOGRAPHS OF THE EUT .......................................................................................................................... 24 - Page 3 of 28 - Report No.: HB20231025002E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com TEST RESULT CERTIFICATION Applicant’s Name ................. : Shenzhen Huanyu Baijia Technology Co., Ltd Address ................................. : 505 Huichuang Workshop, Building B, No.8 Factory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen Manufacturer's Name .......... : Shenzhen Huanyu Baijia Technology Co., Ltd Address ................................. : 505 Huichuang Workshop, Building B, No.8 Factory, Shijie Co., Ltd., Gushu Community, Xixiang Street, Bao'an District, Shenzhen Product description Product name ........................ : MAGNETIC WIRELESS PORTABLE CHARGING POWER BANK Model Number ....................... : S400 Standards ............................. : FCC Part 15C Test procedure ....................... : ANSI C63.4: 2014 This device described above has been tested by Shenzhen HongBiao Certification& Testing Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the EMC requirements. And it is applicable only to the tested sample identified in the report. Date of Test ............................................ : Date (s) of performance of tests ............. : Oct. 25, 2023~ Nov. 02, 2023 Test Result ............................................... : Pass Testing Engineer : (Zoe Su) Technical Manager : ( G a r y Lu) Authorized Signatory : (L e o S u) - Page 4 of 28 - Report No.: HB20231025002E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan R…

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- Page 1 of 2 - Test Setup Photos Radiated Emission Below 30MHz Radiated Emission Above 30MHz - Page 2 of 2 - Conducted emission MPE