FCC ID 2AXV7-X7B
Bone Conduction Headphones
by DongGuan Kemi Electronics Technology Co., Ltd
Grantee Code: 2AXV7 Product Code: X7B
Latest application date: 2025-11-21
FCC ID Device Details
| FCC ID | 2AXV7-X7B |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AXV7 |
| Product Code | X7B |
| Applicant Business | DongGuan Kemi Electronics Technology Co., Ltd 🇨🇳 |
| Equipment Class | Bone Conduction Headphones |
| Test Firm | Shenzhen DL Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-11-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-11-21 | PDF 4.8 MB |
| Internal photos | Internal Photos | 2025-11-21 | PDF 1.4 MB |
| External photos | External Photos | 2025-11-21 | PDF 948.8 KB |
| Label | ID Label/Location Info | 2025-11-21 | PDF 94 KB |
| Test setup | Test Setup Photos | 2025-11-21 | PDF 650.4 KB |
| Test report | Test Report | 2025-11-21 | PDF 4.9 MB |
| ant spec | Test Report | 2025-11-21 | PDF 1.2 MB |
| Covered equipment list attestation | Attestation Statements | 2025-11-21 | PDF 117.9 KB |
| US agent designation attestation | Attestation Statements | 2025-11-21 | PDF 147.1 KB |
| Agent letter | Cover Letter(s) | 2025-11-21 | PDF 15.6 KB |
| Confidentiality request letter | Cover Letter(s) | 2025-11-21 | PDF 128.5 KB |
| RF Exposure Evaluation | RF Exposure Info | 2025-11-21 | PDF 139 KB |
| Block Metadata only | Block Diagram | PDF 58.9 KB | |
| sch Metadata only | Schematics | PDF 91.6 KB | |
| OP Metadata only | Operational Description | PDF 115.6 KB |
Application Information
| Application ID | cXHbQKqzNm86vzB6kw3agA== |
|---|---|
| Final Action Date | 2025-11-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037387255 |
| Model | X7B |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Bone Conduction Headphones |
| Responsible Party | Tiantang Chai, 729735513@qq.com  , 17318023119 |
| Test Firm | Jade Yang, Shenzhen DL Testing Technology Co., Ltd., Jade.yang@dl-cert.com  , 400-688-3552 |
| TCB Email | TCBadmin@compliancetesting.com  |
| 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 |
|---|---|---|
| cXHbQKqzNm86vzB6kw3agA== | 2025-11-21 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00168 | 15C |
Grants
TCB Grant - Application cXHbQKqzNm86vzB6kw3agA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 11/21/2025 Application Dated: 11/21/2025 |
| 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-X7B |
| Name of Grantee: | DongGuan Kemi Electronics Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Bone Conduction Headphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00168 |
| Power listed is conducted. |