FCC ID 2AXV7-M3M
Air Conduction Headphones
by DongGuan Kemi Electronics Technology Co., Ltd
Grantee Code: 2AXV7 Product Code: M3M
Latest application date: 2026-07-30
FCC ID Device Details
| FCC ID | 2AXV7-M3M |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AXV7 |
| Product Code | M3M |
| Applicant Business | DongGuan Kemi Electronics Technology Co., Ltd 🇨🇳 |
| Related Domains |  bridgeportadv.com |
| Equipment Class | Air Conduction Headphones |
| Test Firm | Shenzhen Huaxia Testing Technology Co., Ltd |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-07-30 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-07-30 | PDF 5.4 MB |
| Internal photos | Internal Photos | 2026-07-30 | PDF 808.4 KB |
| External photos | External Photos | 2026-07-30 | PDF 1 MB |
| Label and label location | ID Label/Location Info | 2026-07-30 | PDF 966 KB |
| Test setup photos | Test Setup Photos | 2026-07-30 | PDF 623.4 KB |
| Antenna information | Test Report | 2026-07-30 | PDF 1.2 MB |
| Appendix test data BT | Test Report | 2026-07-30 | PDF 2.9 MB |
| Test Report BT | Test Report | 2026-07-30 | PDF 918 KB |
| Agent attestation letter | Attestation Statements | 2026-07-30 | PDF 187.3 KB |
| Covered equipment letter | Attestation Statements | 2026-07-30 | PDF 264 KB |
| Due digilence letter | Attestation Statements | 2026-07-30 | PDF 261.2 KB |
| Confidentiality request letter | Cover Letter(s) | 2026-07-30 | PDF 262.2 KB |
| Letter of declaration model difference | Cover Letter(s) | 2026-07-30 | PDF 100.4 KB |
| RF exposure evaluation | RF Exposure Info | 2026-07-30 | PDF 274.9 KB |
| Block diagram Metadata only | Block Diagram | PDF 22.4 KB | |
| Schematic Metadata only | Schematics | PDF 57.6 KB | |
| Operation description Metadata only | Operational Description | PDF 107.1 KB |
Application Information
| Application ID | 1wYDWbk4ZI13xM0Zfna2nQ== |
|---|---|
| Final Action Date | 2026-07-30 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037387255 |
| Model | M3M |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Air Conduction Headphones |
| Responsible Party | Tiantang Chai, 729735513@qq.com  , 17318023119 |
| Non-Technical Contact | Yong Liu, Bridgeport Advisory LLC, yliu@bridgeportadv.com , (708)680-6688 |
| Test Firm | Jack Ai, Shenzhen Huaxia Testing Technology Co., Ltd, szcqa@cqa-cert.com  , +8613902988375 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| 1wYDWbk4ZI13xM0Zfna2nQ== | 2026-07-30 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0012 | 15C |
Grants
TCB Grant - Application 1wYDWbk4ZI13xM0Zfna2nQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 07/30/2026 Application Dated: 07/30/2026 |
| DongGuan Kemi Electronics Technology Co., Ltd |
| Room 201, Floor 2, Building 4, Taixing Science |
| Park, No.3, Taixing Road, Shigu, Tangxia Town, |
| Dongguan City, China |
| Attention: Tiantang Chai , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2AXV7-M3M |
| Name of Grantee: | DongGuan Kemi Electronics Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Air Conduction Headphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0012 |
| Power listed is maximum peak conducted output power. This filing meets the SAR threshold exclusion set forth in KDB 447498 and therefore can be used in mobile/portable configurations. The antenna used for this transmitter must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures. |