FCC ID 2A2BY-EUNO9
Wireless Sleep Earbuds
by Dongguan Huien Electronic Technology Co., Ltd
Grantee Code: 2A2BY Product Code: EUNO9
Latest application date: 2026-02-05
FCC ID Device Details
| FCC ID | 2A2BY-EUNO9 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A2BY |
| Product Code | EUNO9 |
| Applicant Business | Dongguan Huien Electronic Technology Co., Ltd 🇨🇳 |
| Related Domains |  huiendz.com  clfimportexport.com |
| Equipment Class | Wireless Sleep Earbuds |
| Test Firm | Shenzhen CCUT Quality Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-02-05 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-02-05 | PDF 2.7 MB |
| Internal photos | Internal Photos | 2026-02-05 | PDF 741.6 KB |
| External photos | External Photos | 2026-02-05 | PDF 748.7 KB |
| Label | ID Label/Location Info | 2026-02-05 | PDF 267 KB |
| Test setup photos | Test Setup Photos | 2026-02-05 | PDF 476.8 KB |
| Antenna specification | Test Report | 2026-02-05 | PDF 1.2 MB |
| Test report | Test Report | 2026-02-05 | PDF 5.1 MB |
| Attestation Section 2.911(d)(5)(i)Filing | Attestation Statements | 2026-02-05 | PDF 140.1 KB |
| SDOC letter | Attestation Statements | 2026-02-05 | PDF 122.6 KB |
| US Agent letter | Attestation Statements | 2026-02-05 | PDF 129.7 KB |
| Confidentiality letter | Cover Letter(s) | 2026-02-05 | PDF 146.6 KB |
| Family model declaration letter | Cover Letter(s) | 2026-02-05 | PDF 81.6 KB |
| POA letter | Cover Letter(s) | 2026-02-05 | PDF 126.6 KB |
| RF exposure report | RF Exposure Info | 2026-02-05 | PDF 163 KB |
| Block Diagram Metadata only | Block Diagram | PDF 43.2 KB | |
| Schematics Metadata only | Schematics | PDF 86.4 KB | |
| Operational Description Metadata only | Operational Description | PDF 169 KB |
Application Information
| Application ID | rGCO+VZ/hH+26QYtPSLu8A== |
|---|---|
| Final Action Date | 2026-02-05 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031047020 |
| Model | EUNO9 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Wireless Sleep 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 | TEI@timcoengr.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 | 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 |
|---|---|---|
| rGCO+VZ/hH+26QYtPSLu8A== | 2026-02-05 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0017 | 15C |
Grants
TCB Grant - Application rGCO+VZ/hH+26QYtPSLu8A==
| 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: 02/05/2026 Application Dated: 02/05/2026 |
| 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-EUNO9 |
| Name of Grantee: | Dongguan Huien Electronic Technology Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless Sleep Earbuds |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0017 |
| 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. |