FCC ID 2BBFL-TWSPRO
Bluetooth earphones
by Shenzhen SaiFeng Electronic Technology Co., Ltd
Grantee Code: 2BBFL Product Code: TWSPRO
Latest application date: 2026-07-01
FCC ID Device Details
| FCC ID | 2BBFL-TWSPRO |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BBFL |
| Product Code | TWSPRO |
| Applicant Business | Shenzhen SaiFeng Electronic Technology Co., Ltd 🇨🇳 |
| Equipment Class | Bluetooth earphones |
| Test Firm | Shenzhen ZKT Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-07-01 |
| 2402-2480 MHz | Original Equipment | 2024-05-13 |
| 2402-2480 MHz | Original Equipment | 2024-05-13 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-07-01 | PDF 1.4 MB |
| User Manual | Users Manual | 2024-05-13 | PDF 516 KB |
| Internal Photos | Internal Photos | 2026-07-01 | PDF 4.5 MB |
| Internal Photos | Internal Photos | 2024-05-13 | PDF 2.1 MB |
| External Photos | External Photos | 2026-07-01 | PDF 4.2 MB |
| External Photos | External Photos | 2024-05-13 | PDF 2.7 MB |
| Label Information | ID Label/Location Info | 2026-07-01 | PDF 795.2 KB |
| Label Information | ID Label/Location Info | 2024-05-13 | PDF 126.7 KB |
| Test Setup Photos | Test Setup Photos | 2026-07-01 | PDF 401 KB |
| Test Setup Photos | Test Setup Photos | 2024-05-13 | PDF 445.1 KB |
| Antenna Report | Test Report | 2026-07-01 | PDF 320.4 KB |
| Test Report | Test Report | 2026-07-01 | PDF 5.1 MB |
| Test Report | Test Report | 2024-05-13 | PDF 5.7 MB |
| Test Report | Test Report | 2024-05-13 | PDF 5.6 MB |
| Test Report2 | Test Report | 2024-05-13 | PDF 758.4 KB |
| Attestation Statements of US Agent for Service of Process, 2.911(d)(7) | Attestation Statements | 2026-07-01 | PDF 96 KB |
| Attestation of Covered Equipment, 2.911(d)(5)(i)(ii) | Attestation Statements | 2026-07-01 | PDF 78.8 KB |
| ASOP FRN code information | Attestation Statements | 2024-05-13 | PDF 107.8 KB |
| ASOP Physical Address Map | Attestation Statements | 2024-05-13 | PDF 117.4 KB |
| ASOP Service Agreement | Attestation Statements | 2024-05-13 | PDF 15.1 KB |
| Agent letter | Attestation Statements | 2024-05-13 | PDF 90 KB |
| Attestation of Cover List | Attestation Statements | 2024-05-13 | PDF 77.8 KB |
| US Agent | Attestation Statements | 2024-05-13 | PDF 93.7 KB |
| US Agent Metadata only | Attestation Statements | 2024-05-13 | PDF 93.7 KB |
| Agent Authorization Letter Template | Cover Letter(s) | 2026-07-01 | PDF 78.4 KB |
| Short & Long Term Confidentiality Request | Cover Letter(s) | 2026-07-01 | PDF 43.6 KB |
| Agent Authorization Letter Template | Cover Letter(s) | 2024-05-13 | PDF 107.4 KB |
| Antenna Report | Cover Letter(s) | 2024-05-13 | PDF 319.3 KB |
| FCC Short Long Term Confidentiality Request | Cover Letter(s) | 2024-05-13 | PDF 63.1 KB |
| Model difference | Cover Letter(s) | 2024-05-13 | PDF 57.4 KB |
| RF Exposure Report | RF Exposure Info | 2026-07-01 | PDF 128.2 KB |
| FCC-MPE | RF Exposure Info | 2024-05-13 | PDF 223.2 KB |
| BLOCK Metadata only | Block Diagram | PDF 45.6 KB | |
| BlockDiagram | Block Diagram | PDF 33.7 KB | |
| SCH Metadata only | Schematics | PDF 299.4 KB | |
| Schematics | Schematics | PDF 262.6 KB | |
| OperatingDescription | Operational Description | PDF 64.5 KB | |
| Operational Description Metadata only | Operational Description | PDF 103.6 KB |
Application Information
| Application ID | 0kWf3utqT0HEwAPRuhroQA== |
|---|---|
| Final Action Date | 2026-07-01 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0033834888 |
| Model | TWSPRO |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Bluetooth earphones |
| Responsible Party | Qing Tian, 420963317@qq.com  , +86-18826589028 |
| Technical Contact | Shenzhen SaiFeng Electronic Technology Co., Ltd, 420963317@qq.com |
| Non-Technical Contact | Leon Howar, GOLDEN VICTORY INTERNATIONAL TRADING CO LTD, Leon_Howar@GVITRADING.onmicrosoft.com  |
| Test Firm | Lake Xie, Shenzhen ZKT Technology Co., Ltd., zkt@zkt-lab.com  , 86-13620010775 |
| 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 |
|---|---|---|
| 0kWf3utqT0HEwAPRuhroQA== | 2026-07-01 | Original Equipment |
| MdErbWr4Y9OfGtQkqxJxyA== | 2024-05-13 | Original Equipment |
| AMnI404SJA0ef8ery9pFyQ== | 2024-05-13 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application MdErbWr4Y9OfGtQkqxJxyA==
| 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: 05/13/2024 Application Dated: 05/12/2024 |
| Shenzhen SaiFeng Electronic Technology Co., Ltd |
| Community, Ban Tin Street, Longgang District, |
| Shenzhen, China |
| Attention: Qing Tian |
| 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: | 2BBFL-TWS-PRO |
| Name of Grantee: | Shenzhen SaiFeng Electronic Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | wireless headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0009 |
| Output power listed is conducted power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
EAS Grant - Application MdErbWr4Y9OfGtQkqxJxyA==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Shenzhen SaiFeng Electronic Technology Co., Ltd Community, Ban Tin Street, Longgang District, Shenzhen, China |
Date of Grant: 05/13/2024 Application Dated: 05/12/2024 |
| Attention: Qing Tian |
| 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: | 2BBFL-TWS-PRO |
| Name of Grantee: | Shenzhen SaiFeng Electronic Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | wireless headset |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0009 |
| Output power listed is conducted power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| Mail To: | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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: 05/13/2024 Application Dated: 05/12/2024 |
| Shenzhen SaiFeng Electronic Technology Co., Ltd |
| Community, Ban Tin Street, Longgang District, |
| Shenzhen, China |
| Attention: Qing Tian |
| 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: | 2BBFL-TWS-PRO |
| Name of Grantee: | Shenzhen SaiFeng Electronic Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | wireless headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0007 |
| Output power listed is conducted power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
EAS Grant - Application AMnI404SJA0ef8ery9pFyQ==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Shenzhen SaiFeng Electronic Technology Co., Ltd Community, Ban Tin Street, Longgang District, Shenzhen, China |
Date of Grant: 05/13/2024 Application Dated: 05/12/2024 |
| Attention: Qing Tian |
| 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: | 2BBFL-TWS-PRO |
| Name of Grantee: | Shenzhen SaiFeng Electronic Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | wireless headset |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0007 |
| Output power listed is conducted power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
| Mail To: | |||||||||||||||||||||||||||||||||||||||||||
| 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: 07/01/2026 Application Dated: 06/29/2026 |
| Shenzhen SaiFeng Electronic Technology Co., Ltd |
| Community, Ban Tin Street, Longgang District, |
| Shenzhen, China |
| Attention: Qing Tian , |
| 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: | 2BBFL-TWSPRO |
| Name of Grantee: | Shenzhen SaiFeng Electronic Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Bluetooth earphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0002 |
| Power listed is the maximum conducted output power. |