FCC ID 2BTWM-O2
TWS Wireless Headset
by Huaou Tonghui (Suzhou) Technology Co., Ltd.
Grantee Code: 2BTWM Product Code: O2
Latest application date: 2026-07-28
FCC ID Device Details
| FCC ID | 2BTWM-O2 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BTWM |
| Product Code | O2 |
| Applicant Business | Huaou Tonghui (Suzhou) Technology Co., Ltd. 🇨🇳 |
| Related Domains |  hothsz.com |
| Equipment Class | TWS Wireless Headset |
| Test Firm | Guangdong DN Testing Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-07-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-07-28 | PDF 678.6 KB |
| Internal Photos | Internal Photos | 2026-07-28 | PDF 1.8 MB |
| External Photos | External Photos | 2026-07-28 | PDF 2.1 MB |
| Label and location | ID Label/Location Info | 2026-07-28 | PDF 196.5 KB |
| Test Setup photo | Test Setup Photos | 2026-07-28 | PDF 638.2 KB |
| Antenna Spec | Test Report | 2026-07-28 | PDF 1.2 MB |
| DNT2606153787R07315-11307-FCC BT Test Report_Part1 | Test Report | 2026-07-28 | PDF 5.9 MB |
| DNT2606153787R07315-11307-FCC BT Test Report_Part2 | Test Report | 2026-07-28 | PDF 6 MB |
| DNT2606153787R07315-11307-FCC BT Test Report_Part3 | Test Report | 2026-07-28 | PDF 1.9 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2026-07-28 | PDF 124.2 KB |
| USA-LocalRepLetter_V1.1 -2BTWM-O2 | Attestation Statements | 2026-07-28 | PDF 549.4 KB |
| FCC Declaration Letter TWS left&Right | Cover Letter(s) | 2026-07-28 | PDF 197.8 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2026-07-28 | PDF 105.3 KB |
| DNT2606153787R07315-11305-FCC MPE(Portable) Report | RF Exposure Info | 2026-07-28 | PDF 1.1 MB |
| Z720_O2_5636D_L_V1.2_Block diagram Metadata only | Block Diagram | PDF 7.4 KB | |
| Z720_O2_5636D_R_V1.2_Block diagram Metadata only | Block Diagram | PDF 7.4 KB | |
| Z720_O2_5636D_L_V1.2_Schematic diagram Metadata only | Schematics | PDF 58.9 KB | |
| Z720_O2_5636D_R_V1.2_Schematic diagram Metadata only | Schematics | PDF 41.9 KB | |
| Operation Description-BT Metadata only | Operational Description | PDF 141.9 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 61.3 KB |
Application Information
| Application ID | VTMliS7psOdmAFN0nP9HtQ== |
|---|---|
| Final Action Date | 2026-07-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037786423 |
| Model | O2 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | TWS Wireless Headset |
| Responsible Party | Songwei Xu, 017@hothsz.com , 15625501563 |
| Non-Technical Contact | Cindy Wu, HOORAY INDUSTRY LLC, cindynewhope@gmail.com  , (626) 910-5808 |
| Test Firm | Joise Yang, Guangdong DN Testing Co., Ltd., Joise.yang@dn-testing.com  , +86-0769-8808 7383 |
| 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 |
|---|---|---|
| VTMliS7psOdmAFN0nP9HtQ== | 2026-07-28 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0013 | 15C |
Grants
TCB Grant - Application VTMliS7psOdmAFN0nP9HtQ==
| 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: 07/28/2026 Application Dated: 07/28/2026 |
| Huaou Tonghui (Suzhou) Technology Co., Ltd. |
| No.299,Shengxin Road,Bache,Dongtaihu |
| Ecological Tourist Resort(Taihu New City) |
| Wujiang District,Suzhou City, China |
| Attention: Songwei Xu , |
| 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: | 2BTWM-O2 |
| Name of Grantee: | Huaou Tonghui (Suzhou) Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | TWS Wireless Headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0013 |
| Output Power listed is peak conducted. |