FCC ID 2BTCB-BIYOS0X25
TWS Wireless headset
by Dongguan Biyoso Digital Technology Co., Ltd.
Grantee Code: 2BTCB Product Code: BIYOS0X25
Latest application date: 2025-12-10
FCC ID Device Details
| FCC ID | 2BTCB-BIYOS0X25 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BTCB |
| Product Code | BIYOS0X25 |
| Applicant Business | Dongguan Biyoso Digital Technology Co., Ltd. 🇨🇳 |
| Equipment Class | TWS Wireless headset |
| Test Firm | Shenzhen CCUT Quality Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-12-10 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-12-10 | PDF 214.4 KB |
| Internal Photos | Internal Photos | 2025-12-10 | PDF 601.8 KB |
| External Photos | External Photos | 2025-12-10 | PDF 851.9 KB |
| Label and Label location | ID Label/Location Info | 2025-12-10 | PDF 250.6 KB |
| Test Setup Photo Metadata only | Test Setup Photos | 2025-12-10 | PDF 4.7 MB |
| est Setup Photo | Test Setup Photos | 2025-12-10 | PDF 481.9 KB |
| Test Report | Test Report | 2025-12-10 | PDF 4.7 MB |
| Attestation Statements of US Agent for Service of Process, 2.911(d)(7) | Attestation Statements | 2025-12-10 | PDF 146.4 KB |
| Attestation of Covered Equipment, 2.911(d)(5)(i)(ii) | Attestation Statements | 2025-12-10 | PDF 192.7 KB |
| ANT Report | Cover Letter(s) | 2025-12-10 | PDF 997.2 KB |
| Agent Authorization Letter Template | Cover Letter(s) | 2025-12-10 | PDF 188.6 KB |
| FCC Short & Long Term Confidentiality Request | Cover Letter(s) | 2025-12-10 | PDF 91.6 KB |
| RF Exposure | RF Exposure Info | 2025-12-10 | PDF 163.2 KB |
| Block Diagram Metadata only | Block Diagram | PDF 87.5 KB | |
| SCH Metadata only | Schematics | PDF 134 KB | |
| OPS Metadata only | Operational Description | PDF 165.9 KB |
Application Information
| Application ID | PrxR2pMRLzwZZtdsHaFiYg== |
|---|---|
| Final Action Date | 2025-12-10 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037683091 |
| Model | BIYOS0X25 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | TWS Wireless headset |
| Responsible Party | Lemon. feng, 2208675500@qq.com  , 18211307641 |
| Technical Contact | Dongguan Biyoso Digital Technology Co., Ltd., 2208675500@qq.com |
| Test Firm | Lahm Peng, Shenzhen CCUT Quality Technology Co., Ltd., lahm@ccuttest.com  , 86-13798582307 |
| TCB Email | anezam@qai.org  |
| 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 |
|---|---|---|
| PrxR2pMRLzwZZtdsHaFiYg== | 2025-12-10 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0007 | 15C |
Grants
TCB Grant - Application PrxR2pMRLzwZZtdsHaFiYg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
QAI LABORATORIES LTD 3980 North Fraser Way Burnaby, BC, V5J5K5 Canada |
Date of Grant: 12/10/2025 Application Dated: 12/10/2025 |
| Dongguan Biyoso Digital Technology Co., Ltd. |
| Room 701, No. 89 Shipai Longteng Road, |
| Shipai Town, |
| Dongguan City, Guangdong Province, China |
| Attention: Lemon. feng , |
| 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: | 2BTCB-BIYOS0X25 |
| Name of Grantee: | Dongguan Biyoso Digital Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | TWS Wireless headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0007 |
| Power listed is the maximum conducted output power. |