FCC ID 2AV3Z-TS2427L
Open Ear Wireless Headphones
by Shenzhen Geekbuy E-commerce Co., LTD.
Grantee Code: 2AV3Z Product Code: TS2427L
Latest application date: 2025-04-28
FCC ID Device Details
| FCC ID | 2AV3Z-TS2427L |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AV3Z |
| Product Code | TS2427L |
| Applicant Business | Shenzhen Geekbuy E-commerce Co., LTD. 🇨🇳 |
| Related Domains |  tronsmart.com |
| Equipment Class | Open Ear Wireless Headphones |
| Test Firm | Shenzhen LCS Compliance Testing Laboratory Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-04-28 |
| 2402-2480 MHz | Original Equipment | 2025-04-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-10-26 | PDF 2 MB |
| Internal photos | Internal Photos | 2025-10-26 | PDF 928.1 KB |
| External photos | External Photos | 2025-10-26 | PDF 1.1 MB |
| Label and label location | ID Label/Location Info | 2025-04-28 | PDF 282 KB |
| Test setup photos | Test Setup Photos | 2025-10-26 | PDF 629.5 KB |
| Antenna information | Test Report | 2025-04-28 | PDF 763.7 KB |
| Appendix A test data BT | Test Report | 2025-04-28 | PDF 4.4 MB |
| Appendix B test data BT LE | Test Report | 2025-04-28 | PDF 2.5 MB |
| Test Report BT | Test Report | 2025-04-28 | PDF 1.4 MB |
| Test Report BT LE | Test Report | 2025-04-28 | PDF 1.6 MB |
| Agent attestation letter | Attestation Statements | 2025-04-28 | PDF 378.1 KB |
| Covered equipment letter | Attestation Statements | 2025-04-28 | PDF 97.9 KB |
| Due digilence letter | Attestation Statements | 2025-04-28 | PDF 177.2 KB |
| Confidentiality request letter | Cover Letter(s) | 2025-04-28 | PDF 98.6 KB |
| Confidentiality short term request letter | Cover Letter(s) | 2025-04-28 | PDF 125.5 KB |
| RF exposure evaluation | RF Exposure Info | 2025-04-28 | PDF 398.2 KB |
| Block diagram Metadata only | Block Diagram | PDF 3 KB | |
| Schematic Metadata only | Schematics | PDF 31.8 KB | |
| Operation description Metadata only | Operational Description | PDF 103.9 KB |
Application Information
| Application ID | XA7c7z7g7sqUnSMwBPSSNg== |
|---|---|
| Final Action Date | 2025-04-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0029393386 |
| Model | TS2427L |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Open Ear Wireless Headphones |
| Responsible Party | Ada Yan, PM, legal@tronsmart.com , 0755-23604747 |
| Test Firm | Gavin Liang, Shenzhen LCS Compliance Testing Laboratory Ltd., gavin.liang@lcs-cert.com  , 0755-82591330 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 10/26/2025 |
| 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 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. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| XA7c7z7g7sqUnSMwBPSSNg== | 2025-04-28 | Original Equipment |
| 15sePXZIF/U2SQ+NmlV8yw== | 2025-04-28 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0014000 |
| 2402-2480 MHz | 0.0012000 |
Grants
TCB Grant - Application XA7c7z7g7sqUnSMwBPSSNg==
| 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: 04/28/2025 Application Dated: 04/28/2025 |
| Shenzhen Geekbuy E-commerce Co., LTD. |
| Warehouse 101H, No. 49 Wuhe Avenue, Wuhe Community |
| Bantian Street, Longgang District, |
| Shenzhen, 518129 China |
| Attention: Ada Yan , PM |
| 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: | 2AV3Z-TS2427L |
| Name of Grantee: | Shenzhen Geekbuy E-commerce Co., LTD. |
| Equipment Class: | Digital Transmission System |
| Notes: | Open Ear Wireless 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. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |
TCB Grant - Application 15sePXZIF/U2SQ+NmlV8yw==
| 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: 04/28/2025 Application Dated: 04/28/2025 |
| Shenzhen Geekbuy E-commerce Co., LTD. |
| Warehouse 101H, No. 49 Wuhe Avenue, Wuhe Community |
| Bantian Street, Longgang District, |
| Shenzhen, 518129 China |
| Attention: Ada Yan , PM |
| 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: | 2AV3Z-TS2427L |
| Name of Grantee: | Shenzhen Geekbuy E-commerce Co., LTD. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Open Ear Wireless Headphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0014 |
| 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. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. |