FCC ID 2ASDI-Q21
Wireless Earphones
by Tiinlab Corporation
Grantee Code: 2ASDI Product Code: Q21
Latest application date: 2024-12-30
FCC ID Device Details
| FCC ID | 2ASDI-Q21 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2ASDI |
| Product Code | Q21 |
| Applicant Business | Tiinlab Corporation 🇨🇳 |
| Related Domains |  tiinlab.com  baluntek.com |
| Equipment Class | Wireless Earphones |
| Test Firm | Shenzhen BALUN Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2024-12-30 |
| 2402-2480 MHz | Original Equipment | 2024-12-30 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2025-06-26 | PDF 3.9 MB |
| Internal Photos | Internal Photos | 2025-06-26 | PDF 1.1 MB |
| External Photos | External Photos | 2025-06-26 | PDF 1.1 MB |
| ID Label/Location Info | ID Label/Location Info | 2024-12-30 | PDF 1.4 MB |
| Test Setup Photos | Test Setup Photos | 2025-06-26 | PDF 1.7 MB |
| Test Setup Photos_SAR | Test Setup Photos | 2025-06-26 | PDF 519.5 KB |
| Antenna Specification | Test Report | 2024-12-30 | PDF 1.5 MB |
| Test Report | Test Report | 2024-12-30 | PDF 3.2 MB |
| Test Report | Test Report | 2024-12-30 | PDF 4.6 MB |
| Test Report_SAR | RF Exposure Info | 2024-12-30 | PDF 1.6 MB |
| Attestation Statements | Attestation Statements | 2024-12-30 | PDF 639.3 KB |
| US Agent Letter | Attestation Statements | 2024-12-30 | PDF 135.8 KB |
| Authorization Letter | Cover Letter(s) | 2024-12-30 | PDF 850.2 KB |
| Confidentiality | Cover Letter(s) | 2024-12-30 | PDF 1.4 MB |
| Calibration report | RF Exposure Info | 2024-12-30 | PDF 4 MB |
| Block Diagram Metadata only | Block Diagram | PDF 102.7 KB | |
| Schematics Metadata only | Schematics | PDF 133.5 KB | |
| Operational Description Metadata only | Operational Description | PDF 1.1 MB | |
| Tune-up Procedure Metadata only | Parts List/Tune Up Info | PDF 75.1 KB |
Application Information
| Application ID | lPAsmqv6siimOpoFdJxpVQ== |
|---|---|
| Final Action Date | 2024-12-30 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0028116580 |
| Model | Q21 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Wireless Earphones |
| Responsible Party | Lance Lang, lance.lang@tiinlab.com , 0755-66850100 |
| Agent | xuewen xuewen xuewen, Shenzhen BALUN Technology Co., Ltd., cbproject@baluntek.com , 075566850100 |
| Technical Contact | xuewen wu, Shenzhen BALUN Technology Co., Ltd., cbproject@baluntek.com , 075566850100 |
| Non-Technical Contact | Tiffany Zhang, Shenzhen BALUN Technology Co., Ltd., cbproject@baluntek.com , 075566850100 |
| Test Firm | Hanson Lin, Shenzhen BALUN Technology Co., Ltd., Hanson.Lin@baluntek.com , 86-755-66833830 |
| TCB Email | certification@telefication.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 06/26/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Power Output is conducted. This is a portable device. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance. The highest reported SAR values is 0.10 W/kg. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| lPAsmqv6siimOpoFdJxpVQ== | 2024-12-30 | Original Equipment |
| NTrRiOS/dV5kx5e8s+i3rw== | 2024-12-30 | Original Equipment |
Grants
TCB Grant - Application NTrRiOS/dV5kx5e8s+i3rw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Kiwa Nederland B.V. Wilmersdorf 50 Apeldoorn, NL-7300 AC Netherlands |
Date of Grant: 12/30/2024 Application Dated: 12/27/2024 |
| Tiinlab Corporation |
| No. 3333, Liuxian Avenue, Tower A, 35th Floor, |
| Tanglang City, Nanshan District |
| Shenzhen, China |
| Attention: Lance Lang |
| 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: | 2ASDI-Q21 |
| Name of Grantee: | Tiinlab Corporation |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless Earphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0034 |
| Power Output is conducted. This is a portable device. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance. The highest reported SAR values is 0.11 W/kg. |
EAS Grant - Application NTrRiOS/dV5kx5e8s+i3rw==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Tiinlab Corporation No. 3333, Liuxian Avenue, Tower A, 35th Floor, Tanglang City, Nanshan District Shenzhen, China |
Date of Grant: 12/30/2024 Application Dated: 12/27/2024 |
| Attention: Lance Lang |
| 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: | 2ASDI-Q21 |
| Name of Grantee: | Tiinlab Corporation |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless Earphones |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0034 |
| Power Output is conducted. This is a portable device. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance. The highest reported SAR values is 0.11 W/kg. |
| Mail To: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Kiwa Nederland B.V. Wilmersdorf 50 Apeldoorn, NL-7300 AC Netherlands |
Date of Grant: 12/30/2024 Application Dated: 12/27/2024 |
| Tiinlab Corporation |
| No. 3333, Liuxian Avenue, Tower A, 35th Floor, |
| Tanglang City, Nanshan District |
| Shenzhen, China |
| Attention: Lance Lang |
| 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: | 2ASDI-Q21 |
| Name of Grantee: | Tiinlab Corporation |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless Earphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0031 |
| Power Output is conducted. This is a portable device. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance. The highest reported SAR values is 0.10 W/kg. |
EAS Grant - Application lPAsmqv6siimOpoFdJxpVQ==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
Tiinlab Corporation No. 3333, Liuxian Avenue, Tower A, 35th Floor, Tanglang City, Nanshan District Shenzhen, China |
Date of Grant: 12/30/2024 Application Dated: 12/27/2024 |
| Attention: Lance Lang |
| 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: | 2ASDI-Q21 |
| Name of Grantee: | Tiinlab Corporation |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless Earphones |
| Modular Type: | Does not apply |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0031 |
| Power Output is conducted. This is a portable device. The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance. The highest reported SAR values is 0.10 W/kg. |
| Mail To: |