FCC ID 2BTG7-A7066
Wireless Earphones
by Shenzhen Shengyin Epoch Technology Co.,Ltd.
Grantee Code: 2BTG7 Product Code: A7066
Latest application date: 2026-02-06
FCC ID Device Details
| FCC ID | 2BTG7-A7066 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BTG7 |
| Product Code | A7066 |
| Applicant Business | Shenzhen Shengyin Epoch Technology Co.,Ltd. 🇨🇳 |
| Related Domains |  sanag.cn  ttsmarket.cc |
| Equipment Class | Wireless Earphones |
| Test Firm | CTC Laboratories, Inc. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2BNTO-S8S-ULTRA Grant Date: 11/19/2025 | 2026-02-06 |
| 2402-2480 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2BNTO-S8S-ULTRA Grant Date: 11/19/2025 | 2026-02-06 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-02-06 | PDF 2.3 MB |
| Internal Photos | Internal Photos | 2026-02-06 | PDF 1.3 MB |
| External Photos | External Photos | 2026-02-06 | PDF 2.4 MB |
| Label Location | ID Label/Location Info | 2026-02-06 | PDF 210.5 KB |
| Attestation Statements 2.911 d 5 | Attestation Statements | 2026-02-06 | PDF 86.2 KB |
| US AGENT Letter | Attestation Statements | 2026-02-06 | PDF 76.1 KB |
| Authority Letter | Cover Letter(s) | 2026-02-06 | PDF 57.3 KB |
| Declaration on model difference | Cover Letter(s) | 2026-02-06 | PDF 64.2 KB |
| FCC Change in ID authorization Letter | Cover Letter(s) | 2026-02-06 | PDF 45.7 KB |
| FCC ID Change Request Letter | Cover Letter(s) | 2026-02-06 | PDF 45.3 KB |
Application Information
| Application ID | rmpkmS4zBtAd2ytSvkcuQA== |
|---|---|
| Final Action Date | 2026-02-06 |
| Application Purpose | Change in identification of presently authorized equipment. Original FCC ID: 2BNTO-S8S-ULTRA Grant Date: 11/19/2025 |
| Applicant FRN | 0037705829 |
| Model | A7066 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Wireless Earphones |
| Responsible Party | Xiaoxia Deng, liangwanjie@sanag.cn , 13763378994 |
| Non-Technical Contact | Maverick Lim, TTS MARKET INC., Maverick@ttsmarket.cc , (646) 305-2908 |
| Test Firm | Totti Zhao, CTC Laboratories, Inc., totti.zhao@sz-ctc.com.cn  , 8675527521059 |
| TCB Email | TEI@timcoengr.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| 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 |
|---|---|---|
| rmpkmS4zBtAd2ytSvkcuQA== | 2026-02-06 | Change in identification of presently authorized equipment. Original FCC ID: 2BNTO-S8S-ULTRA Grant Date: 11/19/2025 |
| Oo/1Hww/weBGz4HKIo6XVA== | 2026-02-06 | Change in identification of presently authorized equipment. Original FCC ID: 2BNTO-S8S-ULTRA Grant Date: 11/19/2025 |
Grants
TCB Grant - Application rmpkmS4zBtAd2ytSvkcuQA==
| 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: 02/06/2026 Application Dated: 02/06/2026 |
| Shenzhen Shengyin Epoch Technology Co.,Ltd. |
| Room 3103,31st Floor,West Tower,Galaxy World |
| Twin Towers,No. 8 Yaxing Road,Nankeng Community |
| Bantian Subdistrict,Longgang District,Shenzhen, China |
| Attention: Xiaoxia Deng , 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: | 2BTG7-A7066 |
| Name of Grantee: | Shenzhen Shengyin Epoch Technology Co.,Ltd. |
| 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 | 0.00252 |
| 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 at 5 mm for Portable use. |
TCB Grant - Application Oo/1Hww/weBGz4HKIo6XVA==
| 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: 02/06/2026 Application Dated: 02/06/2026 |
| Shenzhen Shengyin Epoch Technology Co.,Ltd. |
| Room 3103,31st Floor,West Tower,Galaxy World |
| Twin Towers,No. 8 Yaxing Road,Nankeng Community |
| Bantian Subdistrict,Longgang District,Shenzhen, China |
| Attention: Xiaoxia Deng , 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: | 2BTG7-A7066 |
| Name of Grantee: | Shenzhen Shengyin Epoch Technology Co.,Ltd. |
| 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 | 0.00506 |
| 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 at 5 mm for Portable use. |