2BXVP-JS508Electric Toothbrush

360° U型自动声波牙刷 ① ② ④ ⑤ ③ ① ② ③ ④ ⑤ ① ③ ④ ② ① ① ② ③ ⑤ ⑥ • • • • • • • • • • • • • ①.°C°C ②. ③. ④. ⑤. • • • ⑥. ⑦. ⑧. ⑨. ⑩. ⑪. 360° U-Shaped Automatic Sonic Toothbrush V1.03 User Manual Package Contents ① ② ④ ⑤ ③ ① Brush head × 1 ② Handle × 1 ③ USB Type-C charging cable × 1 ④ Charging base × 1 ⑤ User manual × 1 Note: ① Brush head type may vary by model. Available in nylon bristle or silicone. Please refer to the actual product received. Product Features Wireless Inductive Charging 3-hour charging,15-day battery life for convenient use Powerful Sonic Motor Wide swing vibration with high-quality nylon or silicone bristle brush heads for a deep cleaning experience IPX7 Waterproof Safe for rinsing under water. Easy to clean without fear of water damage Five Cleaning Modes Gentle, Clean, Whitening, Polish and Massage 45-Second Full-Mouth Cleaning 360°coverage. Completes a full brushing cycle in just 45 seconds ① Align the brush head hole with the motor shaft and insert until securely in place. ② Use special foaming toothpaste; if using regular toothpaste, dampen the brush head first, then apply toothpaste to both sides of the brush head How To Use ④ Press the power button to start cleaning. ③ Place the brush in your mouth and gently bite down so that the upper and lower teeth fit into the mouthpiece. Note Silicone brush heads can be trimmed to suit individual mouth size. How To Charge: ① Insert the USB Type-C plug into the charging base, and connect the Type-A end to a 5V USB power source. ② The indicator light on the charging base will turn on, showing the power is connected. ③ Place the handle vertically on the base slot. The RGB light on the handle will pulse while charging and remain solid when fully charged. ⑤ Gently move the handle left and right to allow deeper cleaning. ⑥ Rinse the brush head with clean water after use and allow it to air dry. Wipe the handle with a dry cloth and keep it dry. Specifications U-Shaped Automatic Sonic Toothbrush • Model: JS508 • Motor: Wide-swing sonic motor • Vibration: Adjustable, 4,800–36,000 VPM • Modes: 5 modes • Additional features: 480nm blue light for antibacterial care + 640nm red light for restorative care • Ambient Light: RGB color-changing ambient lights • Battery: 3.7V lithium battery • Battery Life: 15–20 days • Waterproof rating: IPX7 • Size: 6.2 × 6.8 × 2.9 cm, 6.2 × 11 × 2.9 cm (with brush head) • Timer: 45 seconds • Surface Material: Silicone + Spray Coating • Brush Head: Various silicone brush heads / nylon bristle brush heads Safety Instructions: ① Operating temperature range: 0 – 50. ② Charge at room temperature. Keep both the handle and charging base dry. ③ Store in a cool, dry place away from direct sunlight. ④ After each use, wipe the handle clean. Do not soak in water. ⑤ This toothbrush has a fully sealed waterproof design. Continuous use may cause slight heating and minor expansion of the silicone sleeve, which is normal.For best performance, let the product rest for 1–2 minutes after three consecutive uses to prevent the motor from overheating and damaging the product. ⑥ If not used for an extended period, charge and discharge the product once every 3 months. Wireless Charging Dock • Charging: Inductive charging dock (fully charged in 4 hours) • Input power: 5V / 2.5W • Waterproof rating: IPX1 (not waterproof) ⑦ Keep the charging base away from water. Do not immerse it or place it in dusty environments. ⑧ Use only a DC 5V 1A adapter (e.g., USB Type-A power supply). Avoid incompatible fast chargers, which may damage the product or pose safety risks. ⑨ Do not place metal objects on the charging base while charging, to avoid potential hazards. ⑩ If the brush head is difficult to remove, soak the connection between the brush head and the handle in hot water at 50–70°C and heat for 30 seconds, then try to remove it. Do not twist the brush head forcefully, as this may cause damage to the product. ⑪ This is not a toy. Children must use under adult supervision. If you have oral conditions or medical restrictions, please follow your doctor’s advice. 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.

TCB CALL página 1 File FCC ID: 2BXVP-JS508 Please upload an exhibit that explains how does the TCB verify the new agent information: 1- Is the address of the agent a valid physical US mailing address (not a US post office box, not a virtual mailbox, not P.O. Boxes, not a vacant lot, not a public building, etc.) ○ We have checked if the address exists in a real and potential building (Google maps) + official US register, after this verification and the evidence below we can guarantee the following: not a US post office box not a virtual mailbox not P.O. Boxes not a vacant lot not a public building(note) ► We checked the FCC FRN Search based on the information provided by the grantee. On the official register from : Search | California Secretary of State TCB CALL página 2 TCB CALL página 3 TCB CALL página 4 TCB CALL página 5 TCB CALL página 6 TCB CALL página 7 TCB CALL página 8 ► CONCLUSION by TCB: The ASOP defined and provided by grantee is VALID and confirmed. Therefore the exhibit "C5266091_X23_Ed1_US_Agent_Letter" included in the file is ok. 2- Is the agent physically located at that valid US address such that the agent can be legally served at that address? Yes , check above 3- Has the listed agent clearly agreed in writing to serve as the agent for the grantee at that address? Yes, it is included in the exhibit "C5266091_X23_Ed1_US_Agent_Letter" >

1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: Herland International Trading Inc FRN: 0036324101 Contact Name: Jianfeng Gao Address: 1370 Valley Vista Dr Ste 200 Diamond Bar California 91765-3921 Telephone No: 001-909-772-1888 Email: [email protected] Applicant: Company name: Wenzhou Jssan Electric Co.,Ltd. Product Description: Electric Toothbrush Grantee code: 2BXVP FCC ID: 2BXVP-JS508 FRN: 0038816880 Contact Name: Jack bu Address: Xianyangchen Village,Hongqiao Town, Yueqing City.Zhejiang Province.China Telephone No: 18906679427 Email: [email protected] [Wenzhou Jssan Electric Co.,Ltd.] certifies that, as of the date of this filing of the application with the TCB, [Herland International Trading Inc] is our designated US agent for service of process for the above referenced FCC ID. [Wenzhou Jssan Electric Co.,Ltd.] accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any commission related proceeding involving equipment. [Herland International Trading Inc] accepts, as of the date of the filing of the application, the obligation of the designated US agent for service of process for the above reference FCC ID. The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2026/08/27 Applicant’s Name: Jack bu US Agent’s Name: Jianfeng Gao Title: Manager Title: Manager Signature Signature

Attestation Statement. Old Code: C5266091 24 New Code: 00015544 Ed.3 Change reason: FRN is added to the Applicant information section. 1/1 Wenzhou Jssan Electric Co.,Ltd. TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules that prohibit equipment authorization for “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List 1 , which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) Applicant Company name: Wenzhou Jssan Electric Co.,Ltd. Grantee code: 2BXVP FCC ID: 2BXVP-JS508 FRN: 0038816880 Contact Name: Jack bu Address: Xianyangchen Village,Hongqiao Town, Yueqing City.Zhejiang Province.China Telephone No: 18906679427 Fax No: 18906679427 Email: [email protected] i. [Wenzhou Jssan Electric 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. The applicant must sign this certification. ii. [Wenzhou Jssan Electric Co.,Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant [is not] (as a specifically named entity or any of its subsidiaries or affiliates) identified on the Covered List as an entity producing “covered” equipment. The applicant must sign this certification. [Wenzhou Jssan Electric 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 . Date: 2026/08/27 Applicant’s Name: Jack bu Title: Manager Signature: The Commission’s Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commission’s website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes “covered” equipment. https://www.fcc.gov/supplychain/coveredlist

Wenzhou Jssan Electric Co.,Ltd. Code 00018768 Ed. 1 Item 1. The device is able to install software/program installation? ☐ Yes, go to Item 2. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky cybersecurity or anti-virus software. Item 2. Technical Requirements for Kaspersky Cybersecurity Software: # General Requirements (For all Devices) Yes / No or N/A Comments 1 Internet connection for activation and updates (For all Operating Systems) N/A Device Electric Toothbrush Company name Wenzhou Jssan Electric Co.,Ltd. Grantee code 2BXVP FCC ID 2BXVP-JS508 FRN 0038816880 Contact name Jack bu Address Xianyangchen Village,Hongqiao Town, Yueqing City.Zhejiang Province.China Telephone number 18906679427 E-mail [email protected] Chipset/module information MC30P6280A0H Operating System (if applicable) N/A Storage Capacity (hard drive or other permanent memory storage, if applicable) N/A 2 # General Requirements (For Windows Devices) Yes / No or N/A Comments 1 Storage: 1500 MB free space on the hard drive N/A 2 Operating System: Microsoft Windows 8, 8.1, 10 & 11 Home / Pro / Enterprise Microsoft Windows 7 Starter / Home Basic & Premium / Professional / Ultimate SP1 or higher N/A 3 Processor: 1 GHz or higher (x86 or x64) N/A 4 Memory (RAM)1 GB (32-bit) or 2 GB (64-bit) N/A 5 Screen Resolution: Minimum resolution of 1024 x 768 N/A # General Requirements (For macOS devices) Yes / No or N/A Comments 1 Operating System macOS® 13 – 14 N/A 2 Memory (RAM)4 GB N/A 3 Storage: 3455 MB free space on the hard drive N/A # General Requirements (For Android Devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: Android™ 10 – 14 N/A 3 Screen Resolution: Minimum resolution of 320 x 480 N/A # General Requirements (for iOS devices) Yes / No or N/A Comments 1 Storage: 150 MB free space N/A 2 Operating System: iOS® 17 N/A # General Requirements (For Linux system) Yes / No or N/A Comments 3 1 Hard drive: 1 GB of free space N/A 2 CPU: Intel Pentium 1 GHz or higher N/A 3 RAM: 1 GB N/A 4 Minimum software requirements: AlmaLinux OS 8 or later; AlterOS 7.5 or later; Astra Linux Common Edition 2.12 or later; CentOS 6.7 or later; Debian GNU/Linux 10.0 or later; EulerOS 2.0 or later; Oracle Linux 7.3 or later ; Red Hat Enterprise Linux 6.7 or later ; Rocky Linux 8.5 or later ; SUSE Linux Enterprise Server 12.5 or later; Ubuntu 12.04 or later ; Uncom OS Home / Business / Education / Enterprise 2.2 or later; ALT Linux Workstaton / Workstation K / Server / Education 8 or later; ROSA Linux Workstation / Server 12 or later ; RED OS 7.3 and later ; N/A After reviewed the technical requirements, is the device capable of supporting the installation of Kaspersky software? ☐ Yes, go to Item 3. ☒ No. In this case, the rest of the items do not apply. The device cannot support installation of Kaspersky software Item 3. Connectivity Capabilities: 4 # Physical Interface Purpose Justification 1 1 # Wireless Interface Purpose Justification 1 1 After the review of this items, the device: ☒ Cannot support installation of any cybersecurity or anti-virus software on the covered list. ☐ Potentially can operate with any cybersecurity or anti-virus software on the covered list – additional third- party proof is provided to demonstrate compliance with requirements as of 2.911(d)5(i),(ii) – “Proof of Compliance with Covered List Software Requirements” of this document applies Signature: Name: Jack bu Date:2026-08-27 1 The justification field is used to justify why the software cannot be received through that interface. Check the annex for more indications.

Wenzhou Jssan Electric Co.,Ltd. Product Similarity Declaration FCC ID: 2BXVP-JS508 Applicant: Wenzhou Jssan Electric Co.,Ltd. Address: Xianyangchen Village,Hongqiao Town, Yueqing City.Zhejiang Province.China Manufacturer: Wenzhou Jssan Electric Co.,Ltd. Address: Xianyangchen Village,Hongqiao Town, Yueqing City.Zhejiang Province.China Product Name: Electric Toothbrush Trade Mark: N/A Model Number: JS508, JS509, JS507, D72, D71, D7x, D6x, Dxx, Dxxx, A7x, Axx, Axxx, B12, B13, B22, Bxx, JS301, JS501, JSxxx(x represents 0-9 or A-Z) We (Wenzhou Jssan Electric Co.,Ltd.) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), All models share the same structure and circuit as the samples. Only the model name and the appearance color design of the matched toothbrush are different, everything else is identical. Client’s signature Name: Jake bu Date: 2026-08-12 Title: Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 Wenzhou Jssan Electric Co.,Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2026.08.27 Subject: Request for Confidentiality FCC ID: 2BXVP-JS508 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 ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ 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. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. 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, C5266091_X10_Ed.2 1/1 Signature: Name: Jack bu Title: Manager 2026.08. 27

C5266091_X8_Ed.1 1/1 Letter of Authorization Wenzhou Jssan Electric Co.,Ltd. Company: Wenzhou Jssan Electric Co.,Ltd. Address: Xianyangchen Village,Hongqiao Town, Yueqing City.Zhejiang Province.China Product Name: Electric Toothbrush Model Number: JS508, JS509, JS507, D72, D71, D7x, D6x, Dxx, Dxxx, A7x, Axx, Axxx, B12, B13, B22, Bxx, JS301, JS501, JSxxx(x represents 0 9 or A Z) FCC Identifier: 2BXVP-JS508 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: Jack bu Date: 2026.08.27 Title: Manager Signature of applicant:

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(External Photos) Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

Size: 26*10mm Model.: JS508 FCC ID: 2BXVP-JS508 Label location

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(Internal Photos) ANT Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

RF Exposure Evaluation FCC ID: 2BXVP-JS508 Product Name: Electric Toothbrush Trade Mark: N/A Model Number: JS508, JS509, JS507, D72, D71, D7x, D6x, Dxx, Dxxx, A7x, Axx, Axxx, B12, B13, B22, Bxx, JS301, JS501, JSxxx(x represents 0-9 or A-Z) Model Difference: All models share the same structure and circuit as the samples. Only the model name and the appearance-color design of the matched toothbrush are different, everything else is identical. Transmitting mode Keep the EUT in continuously wireless charging mode Power supply: Input: DC 5V1A Wireless Output: 2.5W Date of Receipt: Aug. 05, 2026 Test Date: Aug. 05, 2026 - Aug. 12, 2026 Date of Report: Aug. 12, 2026 Mode1. Wireless Output Mode(2.5W) Note: 1. We have evaluated 1%, 50% and 99% battery charging mode, and the worst mode (99%) is showed in this report. 1 Measuring Standard According to Part 2.1091 RF exposure is calculated. According KDB 680106 D01 WirelessPower Transfer v04. 2 Requirements ①According to the item 5 of KDB680106 D01v04: ②Inductive wireless power transfer applications that meet all of the following requirements are excluded from submitting an RF exposure evaluation. 3 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) 4 Test Setup 5 Test Procedure 1) The RF exposure test was performed in anechoic chamber. 2) The measurement probe was placed at test distance (20 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 KDB680106 D01v04. Remark：The EUT’s test position A, B, C, D and E is valid for the E and H field measurements. 6 Description of Support Units Adapter (Provide by test lab): Manufacturer: XIAOMI Model: MDY-14-EU Toothbrush (Provide by customer): Manufacturer: Wenzhou Jssan Electric Co.,Ltd. Model: JS508 7 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 Oct. 25, 2025 Oct. 24, 2026 Magnetic field probe 100cm 2 Narda ELT probe 100cm 2 M0675 Oct. 25, 2025 Oct. 24, 2026 Field Probe ETS HI-6105 / Oct. 25, 2025 Oct. 24, 2026 Laser Data Interface ETS HI-6113 / Oct. 25, 2025 Oct. 24, 2026 8 Test Uncertainty E-Filed Strength(1Hz-400kHz) : ±0.08V/m H-Filed Strength(1Hz-400kHz) : ±0.02A/m uT : ±0.01 Note: The field intensity value A/m in the report is converted from uT, and the formula is as follows: 9 Test Result E-Filed Strength at 20 cm from the edges surrounding the EUT Frequency Range (MHz) Test Position A (V/m) Test Position B (V/m) Test Position C (V/m) Test Position D (V/m) Test Position E (V/m) Limits (V/m) 0.240-0.250 0.15 0.23 0.12 0.21 0.33 614 H-Filed Strength at 20 cm from the edges surrounding the EUT (uT) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Test Position E 0.240-0.250 0.412 0.705 0.711 0.627 0.716 H-Filed Strength at 20 cm from the edges surrounding the EUT Frequency Range (MHz) Test Position A (A/m) Test Position B (A/m) Test Position C (A/m) Test Position D (A/m) Test Position E (A/m) Limits (A/m) 0.240-0.250 0.328 0.561 0.568 0.517 0.576 1.63 10 Test Set-up Photo

Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260805015R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 17 TEST REPORT FCC ID: 2BXVP-JS508 Applicant: Wenzhou Jssan Electric Co.,Ltd. Address: Xianyangchen Village,Hongqiao Town, Yueqing City.Zhejiang Province.China Manufacturer: Wenzhou Jssan Electric Co.,Ltd. Address: Xianyangchen Village,Hongqiao Town, Yueqing City.Zhejiang Province.China Product Name: Electric Toothbrush Trade Mark: N/A Model Number: JS508, JS509, JS507, D72, D71, D7x, D6x, Dxx, Dxxx, A7x, Axx, Axxx, B12, B13, B22, Bxx, JS301, JS501, JSxxx(x represents 0-9 or A-Z) Date of Receipt: Aug. 05, 2026 Test Date: Aug. 05, 2026 - Aug. 12, 2026 Date of Report: Aug. 12, 2026 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China Applicable Standards: FCC PART 15 Subpart C ANSI C63.10-2020 + Cor. 1-2023+C63.10a-2024 + Errata to C63.10a-2024 Test Result: Pass Report Number: DLE-260805015R Prepared (Engineer): Ken Tan 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.: DLE-260805015R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 17 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 ............................................................................................................... 16 8. ANTENNA REQUIREMENT ................................................................................................ 17 9. SETUP PHOTOGRAPHS ..................................................................................................... 17 10. EUT PHOTOGRAPHS ....................................................................................................... 17 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260805015R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 17 1. VERSION Version No. Date Description 00 Jun. 29, 2026 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 Test Lab: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Comprehensive Building, Tongzhou Electronics Longgang Factory Area, No.1 Baolong Fifth Road, Baolong Community, Baolong Street, Longgang District, Shenzhen, China FCC Test Firm Registration Number: 854456 Designation Number: CN1307 IC Registered No.: 27485 CAB ID.: CN0118 Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260805015R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 17 3. GENERAL INFORMATION 3.1 Description of Device (EUT) Product Name: Electric Toothbrush Trade Mark: N/A Model Number: JS508, JS509, JS507, D72, D71, D7x, D6x, Dxx, Dxxx, A7x, Axx, Axxx, B12, B13, B22, Bxx, JS301, JS501, JSxxx(x represents 0-9 or A-Z) Test Model: JS508 Model Difference: All models share the same structure and circuit as the samples. Only the model name and the appearance-color design of the matched toothbrush are different, everything else is identical. Serial No.: N/A Hardware version: H1.0 Software version: S1.0 Operation Frequency: 240-250KHz Modulation type: MSK Antenna Type: Inductive loop coil Antenna Antenna gain: 0dBi Power supply: Input: DC 5V1A Wireless Output: 2.5W 3.2 Tested System Details None. 3.3 Block Diagram of Test Set-up 3.4 Test Mode Description Mode1. Wireless Output Mode(2.5W) Note: 1. 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: MDY-14-EU Toothbrush (Provide by customer): Manufacturer: Wenzhou Jssan Electric Co.,Ltd. Model: JS508 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 Toothbrus h Shenzhen DL Testing Technology Co., Ltd. Report No.: DLE-260805015R Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 17 4. TEST INSTRUMENT USED For Conducted Emission Test (843 Shielded Room) Equipment Manufacturer Model Serial Last Cal. Next Cal. 843 Shielded Room YIHENG 843 Room 843 Nov. 05, 2023 Nov. 04, 2026 EMI Receiver R&S ESR 101421 Oct. 25, 2025 Oct. 24, 2026 LISN R&S ENV216 102417 Oct. 25, 2025 Oct. 24, 2026 Clamp COM-POWER CLA-050 431071 Oct. 25, 2025 Oct. 24, 2026 3-Loop Antenna DAZE ZN30401 13021 Oct. 25, 2025 Oct. 24, 2026 ISN T8 Schwarzbeck NTFM 8158 101135 Oct. 25, 2025 Oct. 24, 2026 ISN T5 Schwarzbeck NTFM 8158 101136 Oct. 25, 2025 Oct. 24, 2026 843 Cable 1# ChengYu CE Cable 001 Oct. 25,…

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Winding Direction: CW (Clockwise) Number of Turns: 21 turns Customer Approval Notes: 1. Product shape and dimensions shall be strictly controlled. 2. The product surface shall be free of oil, foreign matter, burrs, and other defects. 3. Materials shall not be changed without customer approval. 4. The product shall comply with RoHS requirements. 100 KHZ &1.0 V Approval Prepared byReviewed byApproved by Huang BinChen JinfengLiu Ping Wire2UEW×0.08×24P SolderHigh-temperature, environmentally compliant lead-free solder 2Q (S–F) 3DCR (S–F)127 mΩ ±10%25 °C 3. Bill of Materials MaterialSpecification 2. Electrical Characteristics and Schematic Diagram No.ParameterSpecificationTest ConditionsSchematic Diagram 1L (S–F)4.5 μH ±10% 5.1±0.217.5±0.330±22-41.1±0.1 Coil Inner Diameter Coil Outer Diameter Lead LengthTinned Length Overall Thickness ABCDH Address Xianyan…

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