2A4MT-WA2024wireless charger

wireless charger Charging area for earbuds case Watch Charging Area Product description Thank you for choosing our wireless charger, before you use this product, please read this manual carefully and keep it properly Product parameters Name: wireless charger Model:ZHX-WA20 Interface: Type-C Input:9V=2A Max Watch magnetic output: 3W Max Lightning output: 5V=1A Output power: up to 10W Compatibility: Airpods1/2/3/Pro, Apple Watch3-7/SE Wiring: USB A to USB C 1 meter Material: PC+ABS Product size:117×75X49.3mm (without packaging) Product weight: 109g (without packaging) Packing list Wireless Charger x1 Charging cable x1 User Manualx1 Direction for use 1. Insert the USB A port of the charging cable into the adapter port, the other end of the Type-C port into the product port, put the watch in the launch area, and the watch will automatically adsorb when it is close to the product.(The watch will prompt charging) 2.Insert the headset with the Lightning charging port into the Lightning male socket, support forward and reverse insertion.(The headphone indicator light indicates charging) Safety Guidance 1. Do not charge at high temperature, the applicable operating temperature range is 0·C to 35·C. Storage temperature range is -20-C to 60·C. 2.Improper use/placement of this product may result in shortened product life or damage; pay attention to moisture-proof, waterproof,and drop-proof; 3.Do not disassemble,modify or repair the wireless charger by yourself; 4.Do not place metal or other objects around the wireless charging area; do not place magnetic stripe cards (such as credit cards, phone cards,bankbooks and record cards) near the wireless charger when charging. Avoid the magnetic field generated by the wireless charger from damaging the magnetic stripe card 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 off and 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. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

Shenzhen Zhenghaixin Technology Co., LTD Model Difference Product Name: wireless charger Model Number: ZHX-WA20 ZHX-CW01, ZHX-WA21, ZHX-WA22, ZHX-WA23, ZHX-WA24, ZHX-WA27, ZHX-WA28, ZHX-WA29, ZHX-WA30 FCC Identifier: 2A4MT-WA2024 All the models are the same circuit and RF module, except the model names and appearance color. Regards Sincerely Client’s signature Client’s name / title : Shaolin Peng / Manager Contact information / address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen

Shenzhen Zhenghaixin Technology Co., LTD 1/1 Letter of Authorization Company: Shenzhen Zhenghaixin Technology Co., LTD Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Product Name: wireless charger Model Number: ZHX-WA20 ZHX-CW01, ZHX-WA21, ZHX-WA22, ZHX-WA23, ZHX-WA24, ZHX-WA27, ZHX-WA28, ZHX-WA29, ZHX-WA30 FCC Identifier: 2A4MT-WA2024 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: Shaolin Peng Date: 2022-12-13 Title: Manager Signature of applicant:

Shenzhen Zhenghaixin Technology Co., LTD 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2022-12-13 Subject: Request for Confidentiality FCC ID: 2A4MT-WA2024 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 NOTE 2 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 No ☐ Internal Photos No ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. 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: Shaolin Peng Title: Manager

Size:24*18mm MODEL: ZHX-WA20 FCC ID: 2A4MT-WA2024 IC: 28619-WA2024 Label location

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FCC ID: 2A4MT-WA2024 Product Name: wireless charger Product Model No.: ZHX-WA20 ZHX-CW01, ZHX-WA21, ZHX-WA22, ZHX-WA23, ZHX-WA24, ZHX-WA27, ZHX-WA28, ZHX-WA29, ZHX-WA30 Transmitting mode Keep the EUT in continuously wireless charging mode Power supply: Input: 9V2A Lightning Output: 5V1A Watch Wireless charging: 3W Max. Date of Receipt: Nov. 14, 2022 Test Date: Nov. 14, 2022 - Dec. 05, 2022 Date of Report: Dec. 05, 2022 Test Modes: Mode1. Wireless Charge Mode Note: We have evaluated 1%, 50% and 99% battery charging mode, and the worst mode (99%) is showed in this report. RF Exposure Evaluation 1 Measuring Standard KDB 680106 RF Exposure Wireless Charging Apps v03r01 2 Requirements According to the item 5 of KDB 680106 v03r01: Inductive wireless power transfer applications that meet all of the following requirements are excluded from submitting an RF exposure evaluation. (1) Power transfer frequency is less than 1MHz. Yes; the device operate in the frequency range from 320 KHz to 330 KHz (2) Output power from each primary coil is less than or equal to 15 watts. Yes; the maximum output power of the primary coil is 3W. (3) The system may consist of more than one source primary coils, charging one or more clients. If more than one primary coil is present, the coil pairs may be powered on at the same time. Yes; the transfer system includes only single primary coils. (4) Client device is placed directly in contact with the transmitter. Yes; Client device is placed directly in contact with the transmitter. (5) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). Yes, mobile exposure conditions only. (6) The aggregate H-field strengths anywhere at or beyond 15 cm surrounding the device, and 20 cm away Yes, see test result in item 6. from the surface from all coils that by design can simultaneously transmit, and while those coils are simultaneously energized, are demonstrated to be less than 50% of the applicable MPE limit. Remark: Meet all the above requirements. Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) 3 Test Setup 4 Test Procedure 1) The RF exposure test was performed in anechoic chamber. 2) The measurement probe was placed at test distance (15 cm from all sides and 20 cm from the top) which is between the edge of the charger and the geometric center of probe. 3) The highest emission level was recorded and compared with limit as soon as measurement of each points (A, B, C, D, E) were completed. 4) The EUT was measured according to the dictates of KDB 680106 v03r01. Remark：The EUT’s test position A, B, C, D and E is valid for the E and H field measurements. 5 Description of Support Units Adapter (Provide by test lab): Manufacturer: XIAOMI Model: AD65G I/P: AC 100-240V 50/60Hz O/P: DC 5V/3A, DC 9V/3A, DC 10V/5A, DC 12V/3A, DC 15V/3A, DC 20V/3.25A Mobile phone (Provide by test lab): Manufacturer: SAMSUNG Model: Galaxy S21 5G Watch (Provide by test lab): Manufacturer: Apple Model: Series 6 6 Test Instruments list Test Equipment Manufacturer Model No. SN. Cal.Date (mm-dd-yy) Cal.Due date (mm-dd-yy) Exposure Level Tester Narda ELT-400 N-0231 June. 25 2022 June. 26 2023 Magnetic field probe 100cm 2 Narda ELT probe 100cm 2 M0675 June. 25 2022 June. 26 2023 Field Probe ETS HI-6105 / June. 25 2022 June. 26 2023 Laser Data Interface ETS HI-6113 / June. 25 2022 June. 26 2023 7 Test Uncertainty E-Filed Strength : ±0.08V/m H-Filed Strength : ±0.02A/m 8 Test Result E-Filed Strength at 15 cm from the edges surrounding the EUT (V/m) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Limits (V/m) 0.320-0.330 0.13 0.16 0.12 0.14 614 E-Filed Strength at 20 cm from the top of the EUT (V/m) Frequency Range (MHz) Test Position E Limits (V/m) 0.320-0.330 0.13 614 H-Filed Strength at 15 cm from the edges surrounding the EUT (A/m) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Limits (A/m) 0.320-0.330 0.05 0.14 0.03 0.15 1.63 H-Filed Strength at 20 cm from the top of the EUT (A/m) Frequency Range (MHz) Test Position E Limits (A/m) 0.320-0.330 0.14 1.63 9 Test Set-up Photo Please see annex test setup photos.

Fine FY-GZ001 Page 1 of 4 客 戶： CUSTOMER: 客 戶 料 號： CUST P/N: 淘 软 料 號： BESOFTP/N: 産 品 型 號： DESC: 日 期： DATE: 版 本： A.0 Version: 擬制 PREPARED BY 審核 CHECKED BY 批准 APPROVED BY 客戶承認 CUSTOMER APPROVE 苏燕平 Su Yanping 钱立谋 Qian Lizhi 钱立谋 Qian Lizhi 工廠地址：深圳市光明区公明街道李松蓢 第一工业区大园路90-6栋9楼TEL： 13824883512/18038013240 SPECIFICATION FOR APPROVAL -CLB Apple Watch Soft Magnetic Coil-CLB Fine FY-GZ001 Page 2 of 4 Version Change History 版本 Rev. 變 更 前 Before Change 變 更 後 After Change 更 改 日 期 Change Date 批 准 Approved By A.0 新发行 new issue ---- 2021/03/10 钱立谋 Qian Lizhi Fine FY-GZ001 Page 3 of 4 注： 1.线圈贴磁片，磁片尺寸 24mm,厚度为2.7mm带缺口 2.线圈出线位置缠宽度 6mm ±0.5 高温胶纸。 3.磁片背面贴带手撕位圆形 直径23mm(ref) (ref) 普通双面胶。 産 品 型 號： DESC -CLB Apple Watch Soft Magnetic Coil-CLB 版本 Rev：A.0 客戶 CUST: 淘软料号 Fine P/N： 客户料号 CUST P/N: 一、尺寸 DIMENSION:(mm) 二、原理图SCHEMATIC DIAGRAM: A 24±0.5 B 2.7±0.5 C 23.7±0.25 D 20.5±1 E 13.5±0.3 H 7.5±0.3 I 2±1 J 10±2 K 7.5*2.0 序号 NO. 端子 TERMINAL 线径 WIRE 圈数 Turns 绕线方向 Winding Direction 1 S F 丝包线 0.08*24P silk-covered wire 0.08*24P 12TS 正常 normal 四、 电气特性 ELECTRICAL CHARACTERISTICS: 温度 TEMPERATURE:25 ± 10°C, 湿度 RELATIVE HUMIDITY:65 ±20% 序号 NO. 项目 ITEM 端子 TERMINAL 标准 SPECIFICATION 测试条件 TEST FREQUENCY 测试仪器 TEST EQUIPMENTS 1 IND. S-F 4.3uH ±20%单独线圈 4.3 uH ± 20% individual coils 100KHz/ 1V LCZ METER 10 62B 2 IND. S-F 6.2uH ± 10%加磁片 6.2 uH ± 10% with magnetic chip 100KHz/ 1V LCZ METER 10 62B 3 Q 值 S-F ≥35 100KHz/ 1V LCZ METER 10 62B 4 DCR S-F 擬制/日期 PREPARED BY/DATE 審核/日期 CHECKED BY/DATE 三、绕线参数 Winding Specification: Fine FY-GZ001 Page 3 of 4 注： 1.线圈贴磁片，磁片尺寸 24mm,厚度为2.7mm带缺口 2.线圈出线位置缠宽度 6mm ±0.5 高温胶纸。 3.磁片背面贴带手撕位圆形 直径23mm(ref) (ref) 普通双面胶。 苏燕平 2020/03/10 钱立谋 2020/03/10 Fine FY-GZ001 Page 4 of 4 産 品 型 號： DESC -CLB Apple Watch Soft Magnetic Coil-CLB 版本 Rev：A.0 客戶 CUST: 淘软料号 Fine P/N： 客户料号 CUST P/N: 五、包装 PACKONG: 5. 1 包装图片Packing pictures: 5.2 包装数量及规格Packing Quantity: 项目 Item 数量 Quantity 材料规格 Material 盒 Box 3500 Pcs 370*265*55mm 箱 Big Carton 1400 Pcs 420*270*310mm 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 packaging shall be based on the existing packing plate and the actual delivery package shall prevail. If there is any requirement, we can customize it. 六、材料清单 Material list: 序号 number Material name Description Manufacturer 1 漆包线 0.08*24 股 Enameled wire with 0.08 * 24 strands 热风漆包线 0.08*24 股 Hot air enameled wire 0.08 * 24 strands 2 无铅锡条 No lead tin strip 无铅锡条 No lead tin strip 3 磁片 magnetic sheet Φ24*12.7mm 锰锌硬磁片 Φ24*12.7mm Manganese-zinc hard magnetic sheet 4 胶水 glue 201 胶水 201 Glue 5 磁铁 magnet 7.5*2mm 6 带孔双面胶 Double-sided glue with holes 圆形直径20mm(ref)背胶 Round diameter 20mm (ref) back adhesive Fine FY-GZ001 Page 4 of 4 擬制/日期 PREPARED BY/DATE 審核/日期 CHECKED BY/DATE 苏燕平 2020/03/10 钱立谋 2020/03/10

Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221128024E Test ReportTel: 400-688-3552Web:www.dl-cert.comEmail: [email protected] Page 1 of 16 TEST REPORT FCC ID: 2A4MT-WA2024 Applicant: Shenzhen Zhenghaixin Technology Co., LTD Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Manufacturer: Shenzhen Zhenghaixin Technology Co., LTD Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen EUT: wireless charger Trade Mark: N/A Model Number: ZHX-WA20 ZHX-CW01, ZHX-WA21, ZHX-WA22, ZHX-WA23, ZHX-WA24, ZHX-WA27, ZHX-WA28, ZHX-WA29, ZHX-WA30 Date of Receipt: Nov. 14, 2022 Test Date: Nov. 14, 2022 - Dec. 05, 2022 Date of Report: Dec. 05, 2022 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Applicable Standards: FCC PART 15 Subpart C ANSI C63.10:2013 Test Result: Pass Report Number: DL-20221128024E Prepared (Engineer): Lily Fu Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221128024E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 16 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ................................................................................................................................................. 3 2. TEST SUMMARY ..................................................................................................................................... 3 3. GENERAL INFORMATION ..................................................................................................................... 4 4. TEST INSTRUMENT USED ..................................................................................................................... 5 5. CONDUCTED EMISSION TEST .............................................................................................................. 6 6. RADIATION EMISSION TEST ............................................................................................................... 10 7. BANDWIDTH TEST ............................................................................................................................... 15 8. SETUP PHOTOGRAPHS ...................................................................................................................... 16 9. EUT PHOTOGRAPHS ........................................................................................................................... 16 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221128024E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 16 1. VERSION Version No. Date Description 00 Dec. 05, 2022 Original 2. TEST SUMMARY EMC Emission Test Item Section in CFR 47 Result Remark AC Power Line Conducted Emission 15.207 PASS Spurious Emission 15.209(a)(f) PASS 20dB Bandwidth 15.215 PASS Antenna requirement 15.203 PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report (2) Test Facility: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221128024E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 16 3. GENERAL INFORMATION 3.1 Description of Device (EUT) Product Name: wireless charger Trade Mark: N/A Model No.: ZHX-WA20 ZHX-CW01, ZHX-WA21, ZHX-WA22, ZHX-WA23, ZHX-WA24, ZHX-WA27, ZHX-WA28, ZHX-WA29, ZHX-WA30 Model Difference: The product's different for model number and appearance color. Serial No.: N/A Hardware version: H1.0 Software version: S1.0 Operation Frequency: 320KHz-330KHz Modulation type: MSK Antenna Type: Inductive loop coil Antenna Antenna gain: 0dBi Power supply: Input: 9V2A Lightning Output: 5V1A Watch Wireless charging: 3W Max. 3.2 Tested System Details None. 3.3 Block Diagram of Test Set-up 3.4 Test Mode Description Mode1. Wireless Charge Mode Note: We have evaluated 1%, 50% and 99% battery charging mode, and the worst mode (99%) is showed in this report. 3.5 Test Auxiliary Equipment Adapter (Provide by test lab): Manufacturer: XIAOMI Model: AD65G I/P: AC 100-240V 50/60Hz O/P: DC 5V/3A, DC 9V/3A, DC 10V/5A, DC 12V/3A, DC 15V/3A, DC 20V/3.25A Mobile phone (Provide by test lab): Manufacturer: SAMSUNG Model: Galaxy S21 5G Watch (Provide by test lab): Manufacturer: Apple Model: Series 6 3.6 Test Uncertainty Conducted Emission Uncertainty(150KHz-30MHz) : ±2.56dB 20dB Bandwidth : ±0.5kHz Radiated Emission Uncertainty(9KHz-1GHz) : ±3.24dB AC Mains EUT Adapter Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221128024E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 16 4. TEST INSTRUMENT USED For Conducted Emission Test (843 Shielded Room) Equipment Manufacturer Model Serial Last Cal. Next Cal. 843 Shielded Room ChengYu 843 Room 843 Sep. 20, 2022 Sep. 19, 2025 EMI Receiver R&S ESR 101421 Nov. 05, 2022 Nov. 04, 2023 LISN R&S ENV216 102417 Nov. 05, 2022 Nov. 04, 2023 Clamp COM-POWER CLA-050 431071 Nov. 05, 2022 Nov. 04, 2023 3-Loop Antenna DAZE ZN30401 13021 Nov. 05, 2022 Nov. 04, 2023 ISN T8 Schwarzbeck NTFM 8158 101135 Nov. 05, 2022 Nov. 04, 2023 ISN T5 Schwarzbeck NTFM 8158 101136 Nov. 05, 2022 Nov. 04, 2023 843 Cable 1# ChengYu CE Cable 001 Nov. 05, 2022 Nov. 04, 2023 843 Cable 1# ChengYu CE Cable 002 Nov. 05, 2022 Nov. 04, 2023 For Radiated Emission Test (966 chamber) Equipment Manufacturer Model Serial Last Cal. Next Cal. 966 Chamber Che…

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Radiated Measurement Photos Conducted Measurement Photos