FCC ID 2BS3B-O301
WiWU Openbuds Wearable Stereo
by Dongguan Weiwu Supply Chain Co., Ltd.
Grantee Code: 2BS3B Product Code: O301
Latest application date: 2025-11-26
FCC ID Device Details
| FCC ID | 2BS3B-O301 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BS3B |
| Product Code | O301 |
| Applicant Business | Dongguan Weiwu Supply Chain Co., Ltd. 🇨🇳 |
| Equipment Class | WiWU Openbuds Wearable Stereo |
| Test Firm | Shenzhen Bangce Testing Technology Co. , Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-11-26 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-11-26 | PDF 3.9 MB |
| Internal Photographs | Internal Photos | 2025-11-26 | PDF 823.9 KB |
| External Photographs | External Photos | 2025-11-26 | PDF 707.4 KB |
| Label | ID Label/Location Info | 2025-11-26 | PDF 125.7 KB |
| Test Setup | Test Setup Photos | 2025-11-26 | PDF 411.8 KB |
| Antenna Data sheet T20-L | Test Report | 2025-11-26 | PDF 1.3 MB |
| Antenna Data sheet T20-R | Test Report | 2025-11-26 | PDF 1.2 MB |
| USA-CoveredEquipmentLetter-Combined | Attestation Statements | 2025-11-26 | PDF 88.9 KB |
| USA-Local Rep Letter | Attestation Statements | 2025-11-26 | PDF 70.6 KB |
| Letter of Model Difference | Cover Letter(s) | 2025-11-26 | PDF 87.5 KB |
| USA-ConfidentialityRequestLetter | Cover Letter(s) | 2025-11-26 | PDF 132.8 KB |
| CISRR25102418002_RF Exposure Evaluation FCC Part2.1093-REV1.0 | RF Exposure Info | 2025-11-26 | PDF 171.5 KB |
| Block Diagram Metadata only | Block Diagram | PDF 79.7 KB | |
| Schematic Metadata only | Schematics | PDF 180.5 KB | |
| Operation Description-REV1.0 Metadata only | Operational Description | PDF 117.6 KB | |
| USA-DueDigilenceLetter Metadata only | Operational Description | PDF 112.5 KB |
Application Information
| Application ID | pT5gx1QSjljtiMLxt4A3SQ== |
|---|---|
| Final Action Date | 2025-11-26 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037636768 |
| Model | O301 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | WiWU Openbuds Wearable Stereo |
| Responsible Party | Jason Zhu, 15013521820@163.com  , +8618598056512 |
| Technical Contact | Hans Hu, Shenzhen Bangce Testing Technology Co., Ltd., huzhiqiang@cis-cn.net  , 15818730309 |
| Test Firm | Hans Hu, Shenzhen Bangce Testing Technology Co. , Ltd., huzhiqiang@cis-cn.net , +86 0158 1873 0309 |
| TCB Email | o.kneip@kl-certification.de  |
| 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 |
|---|---|---|
| pT5gx1QSjljtiMLxt4A3SQ== | 2025-11-26 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00315 | 15C |
Grants
TCB Grant - Application pT5gx1QSjljtiMLxt4A3SQ==
| 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: 11/26/2025 Application Dated: 11/26/2025 |
| Dongguan Weiwu Supply Chain Co., Ltd. |
| Room 401, Building 11, No. 243, Huaide Road |
| Humen Town |
| Dongguan, China |
| Attention: Jason Zhu , |
| 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: | 2BS3B-O301 |
| Name of Grantee: | Dongguan Weiwu Supply Chain Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | WiWU Openbuds Wearable Stereo |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00315 |
| 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. |