2A4C5-SJ-107Ultra Slim 3-in-1 5000 mAh Wireless Power Bank w/ Digital Display

SJ-107 Ultra Sli m 3-in-1 5000 mAh Wireless Power Bank w/ Digital Display • Power Bank • USB-C to Type-C Cable • Instruction Manual • Capacity: 5000mAh 3.7V • Input-Type-C: 5V/3A, 9V/2A,12V/1.5A • Output-Type-C: 5V/3A, 9V/2.22A,12V/1.67A 20W max • Wireless Output-Phone: 5W/7.5W/10W/15W max • Wireless Output-Watch: 2.5W max • Wireless Output-Earbuds: 3W max • Max Power: 15W (Qi-compatible) • Use only between 32°F–115°F (0°C–45°C). • Do not overcharge — remove your phone once it is fully charged. • Keep the product dry and avoid exposure to moisture or liquids. • Do not disassemble the device or use it with damaged parts. • Remove phone attachments (metal plates, magnets, thick cases) • before charging, as these can reduce charging efficiency and • may cause overheating. • Care: Wipe clean with a soft, dry cloth. Do not use water or cleaning agents. This device complies with Part 15 of the FCC Rules. • FCC ID: 2A4C5-SJ-107 Instruction Manual Specifications Safety & Care Instructions FCC Notice Power Bank Instructions Package Contents Product Overview Wireless charging for Phone/Earbuds Wireless charging for Watch Button Battery Display Type-C input/output 1. Charge the Power Bank Attach the included USB-C cable to the USB-C input port. Connect the other end of the cable to a computer USB-C port or a USB-C wall adapter. Display Indicators (Power Bank Charging) ◦ The digits on the digital display will flash while the power bank is recharging. ◦ The display will show 100 when the power bank is fully charged. 2. Charge Your Device (Wireless Charging) Place your Qi-enabled device on the charging surface. Display & LED Indicators (Wireless Charging) ◦ The digits on the digital display will stay solid while the device is charging. ◦ If the LED is flashing, the device is not compatible or something is interfering with the charging process. 58 mm 232 mm 80 mm FrontFrontBackBack FCC Warnning: 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 againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 0cm between the radiator and your body.

Cosmo Fiber Corp 1802 Santo Domingo Ave, Duarte, CA 91010, USA Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/01/14 U.S. Agent Designation Cosmo Fiber Corp 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: 2A4C5-SJ-107): Name and company of U.S. agent: DAME INC Physical U.S. address of agent: 19 Preston St, Unit 1, Goffstown NH 03045 NH, NH 3045 United States FRN of U.S. agent: 0036816189 Email address of U.S. agent: [email protected] DAME INC acknowledges their obligation to accept service of process on behalf of Cosmo Fiber Corp Cosmo Fiber Corp with the FRN [0031891609] 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. An expiration date for this letter does not exist. Sincerely, Signature Sidney Ru Manager Cosmo Fiber Corp Signature Liangshu Zhang manager DAME INC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID: 2A4C5-SJ-107 External Photos of the EUT FCC ID: 2A4C5-SJ-107

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2A4C5-SJ-107

FCC ID: 2A4C5-SJ-107 Internal Photos of the EUT Wireless charging antenna FCC ID: 2A4C5-SJ-107 FCC ID: 2A4C5-SJ-107

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC RF Exposure Report Reference No. ..................... : FCC ID............................................. : CTA25122300802 2A4C5-SJ-107 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Dec. 27, 2025 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao‘an District, Shenzhen, China Applicant’s name ............................ : Cosmo Fiber Corp Address ............................................ : 1802 Santo Domingo Ave, Duarte, CA 91010, USA Test specification ........................... : FCC CFR 47 PART 1, § 1.1310 Standard ........................................... : KDB 680106 D01 Wireless Power Transfer v04 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Ultra Slim 3-in-1 5000 mAh Wireless Power Bank w/ Digital Display Trade Mark ....................................... : N/A Manufacturer .................................... : Guanyu (Shenzhen) Wireless Technology Co., LTD Model/Type reference ...................... : SJ-107 Listed Models .................................. : GYW-069 Modulation Type ............................... : ASK Rating ............................................... : Capacity: 5000mAh 3.7V Input-Type-C: 5V/3A, 9V/2A,12V/1.5A Output-Type-C: 5V/3A, 9V/2.22A,12V/1.67A 20W max Wireless Output-Phone: 5W/7.5W/10W/15W max Wireless Output-Watch: 2.5W max Wireless Output-Earbuds: 3W max Max Power: 15W (Qi-compatible) Result ............................................... : PASS Report No.: CTA25122300802 Page 2 of 12 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Ultra Slim 3-in-1 5000 mAh Wireless Power Bank w/ Digital Display Model /Type : SJ-107 Listed Models : GYW-069 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Cosmo Fiber Corp Address : 1802 Santo Domingo Ave, Duarte, CA 91010, USA Manufacturer : Guanyu (Shenzhen) Wireless Technology Co., LTD Address : Room 902, Building F, Mingyue Huadu, Xixiang Street, Bao'an District, Shenzhen, China Test Result: PASS The 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. Report No.: CTA25122300802 Page 3 of 12 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 T E S T S T A N D A R D S ................................................... 4 2 S U M M A R Y .............................................................. 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Description of the test mode 5 2.4 Special Accessories 5 2.5 Modifications 6 3 T E S T E N V I R O N M E N T ................................................ 6 3.1 Address of the test laboratory 6 3.2 Test Facility 6 3.3 Statement of the measurement uncertainty 6 3.4 Equipments Used during the Test 6 4 T E S T L I M I T ............................................................ 7 4.1 Requirement 7 4.2 Test setup 8 4.3 Test Procedures 9 4.4 Equipment Approval Considerations of KDB 680106 D01v04 9 4.5 Test results 10 4.6 Conclusion 11 5 P H O T O G R A P H S O F T H E T E S T S E T U P ......................... 12 Report No.: CTA25122300802 Page 4 of 12 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1 T E S T S T A N D A R D S The tests were performed according to following standards: 680106 D01 Wireless Power Transfer v04: EQUIPMENT AUTHORIZATION OF WIRELESS POWER TRANSFER DEVICES. Report No.: CTA25122300802 Page 5 of 12 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Dec. 23, 2025 Testing commenced on : Dec. 23, 2025 Testing concluded on : Dec. 27, 2025 2.2 Product Description Product Name: Ultra Slim 3-in-1 5000 mAh Wireless Power Bank w/ Digital Display Model/Type reference: SJ-107 Hardware version: V1.0 Software version: V1.0 Test samples ID: CTA251223008-1# (Engineer sample) CTA251223008-2# (Normal sample) Power supply: Capacity: 5000mAh 3.7V Inp…

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Give birth to Article Dividers Square Book Customer's nameAi Xiaodian Product typeThree-in-one wireless charging coil Top intelligence material number TX-DZ43.5008005-K6.9-L47(Open double slot) Customer material number A36-01303-47 [ √ □ Release of the new version ,□ Version revision] [ This specification includes a total of contents 3 Page ] [ RoHS Compliant Parts ] WeaveCheckRatify Li Pinghui / Ma Xiangping Guangdong Dingzhi Electronic Technology Co., Ltd. This acknowledgement is received by the customer.30Within the day, please be sure to sign and return it. If it is overdue, it will be deemed to be implemented according to the standards of this letter of recognition at the time of production. Specificat ion number 20250603001 Effective date June 2025 3/ Address: 1st Floor, No. 1231 Yingbin Avenue, Longmen County, Huizhou City, Guangdong Province TEL: 13147097490 [Customer approval] Date : Recognition status: □ Fully admit □ Conditional recognition □ Refuse to admit RatifyCheckRe-examinationExamine Explain: Give birth to Article Dividers Square Book Customer's nameAi XiaodianCustomer material number A36-01303-47 Top intelligence material number TX-DZ43.5008005-K6.9-L47(Open double slot) Specification number 20250603001 Circulate/Revision record Editi on Effective dateChange the content/Reason Examine and approve Ma Xiangping 01June 3, 2025 Release of new specifications WeaveCheckRatify Li Pinghui / Ma Xiangping Give birth to Article Dividers Square Book Customer's nameAi XiaodianCustomer material number A36-01303-47 Top intelligence material number TX-DZ43.5008005-K6.9-L47(Open double slot) Specification number 20250603001 Edition 01 (Unit:Mm) A8.0 ± 0.5 B13.8 ±1.Zero Centigra de38.5 ±1.0 Dimensio n 43.5 ±0.5 E43.5 ±.1.0 Fahrenhe it47.0 ±3.0 Generati on3.0 ± 1.0 H1.4 ±0.3 I 0.50 ±0.2(Thickness of magnetic sheet) One (1)Wire diameter: 0.08*24P*2Enamel-insulated wire (2)Number of windings:12TS (3)Does the starting and tail lines cross? : Yes (Four)Coil bagSix millimetersWide high- temperature tape (5)The coil and the magnetic sheet need to be pasted in the middle. ♦, external size SixBlack film on the back of the magnetic sheet (7)Coil surface sticker38Round large hole white glue ♦, electrical characteristics : ParameterSpecificationsTest conditionsTest instrume nt L06.9 ± 10%μH100KHz/1V■TH1816B QMore than 30 minutes100KHz/1V■TH1816B DCR.Less than ninety-nmΩ @25°C ■CH-502BC ♦, temperature level : Operating temperature -40°C~125°C ♦, list of materials : Serial number Classi ficati on Material specifications SupplierRema rks 1 Magneti c sheet 43.5*8*0.5T Open double slots PC40Strong zinc 2 Copper wire 0.08*24P*2Enamel - insula ted wire 3 High- temperatu re tape Six millimetersEnvironment al protection tape Four GlueWhite glueEnvironment ally friendly adhesive paper 5 Stannum107 hoursQiandao Environmental Protection Tin 6 GlueYellow glueEnvironment ally friendly glue WeaveCheckRatify Li Pinghui / Ma Xiangping

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT Report Reference No. ..................... : FCC ID............................................. : CTA25122300801 2A4C5-SJ-107 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Dec. 27, 2025 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao‘an District, Shenzhen, China Applicant’s name ............................ : Cosmo Fiber Corp Address............................................ : 1802 Santo Domingo Ave, Duarte, CA 91010, USA Test specification ........................... : Standard ........................................... : FCC Rules and Regulations Part 15 Subpart C (Section 15.209), ANSI C63.10: 2020 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Ultra Slim 3-in-1 5000 mAh Wireless Power Bank w/ Digital Display Trade Mark ....................................... : N/A Manufacturer .................................... : Guanyu (Shenzhen) Wireless Technology Co., LTD Model/Type reference ...................... : SJ-107 Listed Models .................................. : GYW-069 Modulation Type ............................... : ASK Operation Frequency ........................ : From 110KHz~205KHz Rating ............................................... : Capacity: 5000mAh 3.7V Input-Type-C: 5V/3A, 9V/2A,12V/1.5A Output-Type-C: 5V/3A, 9V/2.22A,12V/1.67A 20W max Wireless Output-Phone: 5W/7.5W/10W/15W max Wireless Output-Watch: 2.5W max Wireless Output-Earbuds: 3W max Max Power: 15W (Qi-compatible) Result ............................................... : PASS Report No.: CTA25122300801 Page 2 of 25 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Ultra Slim 3-in-1 5000 mAh Wireless Power Bank w/ Digital Display Model /Type : SJ-107 Listed Models : GYW-069 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Cosmo Fiber Corp Address : 1802 Santo Domingo Ave, Duarte, CA 91010, USA Manufacturer : Guanyu (Shenzhen) Wireless Technology Co., LTD Address : Room 902, Building F, Mingyue Huadu, Xixiang Street, Bao'an District, Shenzhen, China Test Result: PASS The 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. Report No.: CTA25122300801 Page 3 of 25 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 T E S T S T A N D A R D S .................................................................. 4 2 S U M M A R Y ............................................................................. 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Description of the test mode 5 2.4 Special Accessories 5 2.5 Modifications 6 3 T E S T E N V I R O N M E N T ............................................................... 7 3.1 Address of the test laboratory 7 3.2 Test Facility 7 3.3 Environmental conditions 7 3.4 Summary of measurement results 8 3.5 Statement of the measurement uncertainty 8 3.6 Equipments Used during the Test 9 4 T E S T C O N D I T I O N S A N D R E S U L T S ............................................ 10 4.1 AC Power Conducted Emission 10 4.2 Radiated Emission 13 4.3 The 20dB bandwidth 18 4.4 Antenna Requirement 19 5 T E S T S E T U P P H O T O S O F T H E E U T .......................................... 20 6 PH O T O S O F T H E E U T ............................................................. 21 Report No.: CTA25122300801 Page 4 of 25 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1 T E S T S T A N D A R D S The tests were performed according to following standards: FCC Rules and Regulations Part 15 Subpart C (Section 15.207): Conducted limits. FCC Rules and Regulations Part 15 Subpart C (Section 15.209): Radiated emission limits; general requirements. ANSI C63.10-2020+Cor. 1-2023+C63.10a-2024 + Errata to C63.10a-2024: American National Standard for Testing Unlicensed Wireless Devices Report No.: CTA25122300801 Page 5 of 25 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E…

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FCC ID: 2A4C5-SJ-107 Test Setup Photos of the EUT