FCC ID 2A2BY-EUNO7
True Wireless Earbuds
by Dongguan Huien Electronic Technology Co., Ltd
Grantee Code: 2A2BY Product Code: EUNO7
Latest application date: 2026-01-20
FCC ID Device Details
| FCC ID | 2A2BY-EUNO7 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A2BY |
| Product Code | EUNO7 |
| Applicant Business | Dongguan Huien Electronic Technology Co., Ltd 🇨🇳 |
| Related Domains |  huiendz.com  clfimportexport.com |
| Equipment Class | True Wireless Earbuds |
| Test Firm | Shenzhen CCUT Quality Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-01-20 |
| 2402-2480 MHz | Original Equipment | 2026-01-20 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual P1 | Users Manual | 2026-01-20 | PDF 2.6 MB |
| Users Manual P2 | Users Manual | 2026-01-20 | PDF 3.9 MB |
| Internal photos | Internal Photos | 2026-01-20 | PDF 573.5 KB |
| External photos | External Photos | 2026-01-20 | PDF 705.8 KB |
| Label | ID Label/Location Info | 2026-01-20 | PDF 182.9 KB |
| test setup | Test Setup Photos | 2026-01-20 | PDF 345.9 KB |
| Test report DSS | Test Report | 2026-01-20 | PDF 2.9 MB |
| Test report DTS | Test Report | 2026-01-20 | PDF 2.3 MB |
| ant spec | Test Report | 2026-01-20 | PDF 764.5 KB |
| Covered equipment list attestation | Attestation Statements | 2026-01-20 | PDF 116.6 KB |
| US agent designation attestation | Attestation Statements | 2026-01-20 | PDF 128.7 KB |
| Agent letter | Cover Letter(s) | 2026-01-20 | PDF 130.8 KB |
| Confidentiality request letter | Cover Letter(s) | 2026-01-20 | PDF 120.9 KB |
| Model Difference Statement | Cover Letter(s) | 2026-01-20 | PDF 120.7 KB |
| RF Exposure Evaluation | RF Exposure Info | 2026-01-20 | PDF 164.5 KB |
| Block Metadata only | Block Diagram | PDF 59.7 KB | |
| sch Metadata only | Schematics | PDF 168.1 KB | |
| OP Metadata only | Operational Description | PDF 135.5 KB |
Application Information
| Application ID | qNoXS/x1H0OPZXviRqDMjw== |
|---|---|
| Final Action Date | 2026-01-20 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031047020 |
| Model | EUNO7 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | True Wireless Earbuds |
| Responsible Party | Yanfeng Zhang, engineer10@huiendz.com , 86-18123809176 |
| Non-Technical Contact | David Chen, CLF Import and Export Limited, david.chen@clfimportexport.com , +1 949 254 2565 |
| Test Firm | Lahm Peng, Shenzhen CCUT Quality Technology Co., Ltd., lahm@ccuttest.com  , 86-13798582307 |
| TCB Email | TCBadmin@compliancetesting.com  |
| 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 | 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 |
|---|---|---|
| qNoXS/x1H0OPZXviRqDMjw== | 2026-01-20 | Original Equipment |
| RQMMbMnGuGtJvWwLy1EJAQ== | 2026-01-20 | Original Equipment |
Grants
TCB Grant - Application RQMMbMnGuGtJvWwLy1EJAQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 01/20/2026 Application Dated: 01/20/2026 |
| Dongguan Huien Electronic Technology Co., Ltd |
| Room 301, Building of 1, No. 429, |
| Changdong Road, Changping Town |
| Dongguan city, Guangdong Province, China |
| Attention: Yanfeng Zhang , 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: | 2A2BY-EUNO7 |
| Name of Grantee: | Dongguan Huien Electronic Technology Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | True Wireless Earbuds |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0006 |
| Power listed is conducted. |
TCB Grant - Application qNoXS/x1H0OPZXviRqDMjw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Compliance Testing, LLC 1724 S. Nevada Way Mesa, AZ 85204 |
Date of Grant: 01/20/2026 Application Dated: 01/20/2026 |
| Dongguan Huien Electronic Technology Co., Ltd |
| Room 301, Building of 1, No. 429, |
| Changdong Road, Changping Town |
| Dongguan city, Guangdong Province, China |
| Attention: Yanfeng Zhang , 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: | 2A2BY-EUNO7 |
| Name of Grantee: | Dongguan Huien Electronic Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | True Wireless Earbuds |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0014 |
| Power listed is conducted. |