FCC ID 2A2H6-S91A
Face-Changing TWS Wireless Earphones
by Shenzhen Bao Tianhua Technology Co., Ltd.
Grantee Code: 2A2H6 Product Code: S91A
Latest application date: 2026-08-24
FCC ID Device Details
| FCC ID | 2A2H6-S91A |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A2H6 |
| Product Code | S91A |
| Applicant Business | Shenzhen Bao Tianhua Technology Co., Ltd. 🇨🇳 |
| Related Domains |  baotianhua.com  fccusagent.com |
| Equipment Class | Face-Changing TWS Wireless Earphones |
| Test Firm | Centre Testing International Group Co., Ltd |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-08-24 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| packaging | ID Label/Location Info | 2026-08-24 | PDF 305.2 KB |
| Antenna Specification | Test Report | 2026-08-24 | PDF 991 KB |
| Test Report Appendix part1 | Test Report | 2026-08-24 | PDF 5.4 MB |
| Test Report Appendix part2 | Test Report | 2026-08-24 | PDF 5.4 MB |
| Test Report Appendix part3 | Test Report | 2026-08-24 | PDF 2.9 MB |
| Test Report part1 | Test Report | 2026-08-24 | PDF 5.3 MB |
| Test Report part2 | Test Report | 2026-08-24 | PDF 5.4 MB |
| Test Report part3 | Test Report | 2026-08-24 | PDF 2.7 MB |
| Attestation Statements US agent letter | Attestation Statements | 2026-08-24 | PDF 3.8 MB |
| Attestation Statements part 2.911 | Attestation Statements | 2026-08-24 | PDF 5.8 MB |
| Confidentiality Letter | Cover Letter(s) | 2026-08-24 | PDF 441.9 KB |
| Label justification letter | Cover Letter(s) | 2026-08-24 | PDF 411.1 KB |
| POA | Cover Letter(s) | 2026-08-24 | PDF 4.9 MB |
| RF Exposure | RF Exposure Info | 2026-08-24 | PDF 1.4 MB |
| Users Manual Metadata only | Users Manual | 2027-02-21 | PDF 3.5 MB |
| Internal Photos part1 Metadata only | Internal Photos | 2027-02-21 | PDF 4.8 MB |
| Internal Photos part2 Metadata only | Internal Photos | 2027-02-21 | PDF 3.6 MB |
| External Photos part1 Metadata only | External Photos | 2027-02-21 | PDF 5.1 MB |
| External Photos part2 Metadata only | External Photos | 2027-02-21 | PDF 2.9 MB |
| Test Setup Photos Metadata only | Test Setup Photos | 2027-02-21 | PDF 1.8 MB |
| Block Diagram Metadata only | Block Diagram | PDF 51 KB | |
| Schematics Metadata only | Schematics | PDF 60.1 KB | |
| Operational Description Metadata only | Operational Description | PDF 130.7 KB |
Application Information
| Application ID | h5bi6aJDfsgb/Uu6vcnPBg== |
|---|---|
| Final Action Date | 2026-08-24 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031094535 |
| Model | S91A |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Face-Changing TWS Wireless Earphones |
| Responsible Party | Ray Lei, ray@baotianhua.com , 0755-28678596 |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, Support@FCCUSAgent.com , 708-571-3148 |
| Test Firm | Vicky Zhou, Centre Testing International Group Co., Ltd, zhoushuping@cti-cert.com  , 86-755-3368-1398 |
| TCB Email | cb@industrial-ia.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| 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 |
|---|---|---|
| h5bi6aJDfsgb/Uu6vcnPBg== | 2026-08-24 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0018 | 15C |
Grants
TCB Grant - Application h5bi6aJDfsgb/Uu6vcnPBg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 08/24/2026 Application Dated: 08/24/2026 |
| Shenzhen Bao Tianhua Technology Co., Ltd. |
| 301, Building Plant No.5 Anliang Road, |
| Xi Keng Community, Longgang District |
| Shenzhen, Guangdong, China |
| Attention: Ray Lei , Manager |
| 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: | 2A2H6-S91A |
| Name of Grantee: | Shenzhen Bao Tianhua Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Face-Changing TWS Wireless Earphones |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0018 |
| Output Power listed is the maximum conducted output power. This device must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi-transmitter product procedures, or as evaluated in this filing. Device meets SAR Exemption for Portable use at <5mm. |