FCC ID 2BFRU-C81
Smart watch
by Shenzhen ZhiHuiJu Technology Co.,Ltd
Grantee Code: 2BFRU Product Code: C81
Latest application date: 2025-12-16
FCC ID Device Details
| FCC ID | 2BFRU-C81 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BFRU |
| Product Code | C81 |
| Applicant Business | Shenzhen ZhiHuiJu Technology Co.,Ltd 🇨🇳 |
| Related Domains |  trusang.com  clfimportexport.com |
| Equipment Class | Smart watch |
| Test Firm | Shenzhen CCUT Quality Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-12-16 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| user manual | Users Manual | 2025-12-16 | PDF 3.1 MB |
| Internal Photos | Internal Photos | 2025-12-16 | PDF 835.3 KB |
| External Photos | External Photos | 2025-12-16 | PDF 1.1 MB |
| label and location | ID Label/Location Info | 2025-12-16 | PDF 306.4 KB |
| Test Setup Photos | Test Setup Photos | 2025-12-16 | PDF 501.6 KB |
| Test Report | Test Report | 2025-12-16 | PDF 2.7 MB |
| Attstn Stmt part 2.911(d)(5)(i)(ii) | Attestation Statements | 2025-12-16 | PDF 428.6 KB |
| U.S. Agent Letter of Attestation | Attestation Statements | 2025-12-16 | PDF 256 KB |
| ANT Report | Cover Letter(s) | 2025-12-16 | PDF 2.2 MB |
| Agent Authorization Letter Template | Cover Letter(s) | 2025-12-16 | PDF 75.2 KB |
| Short & Long Term Confidentiality Request | Cover Letter(s) | 2025-12-16 | PDF 113.1 KB |
| RF exposure report | RF Exposure Info | 2025-12-16 | PDF 298.6 KB |
| BLOCK Metadata only | Block Diagram | PDF 702 KB | |
| SCH Metadata only | Schematics | PDF 184.7 KB | |
| OPS Metadata only | Operational Description | PDF 631.5 KB |
Application Information
| Application ID | JMwfOW3sfBuDH2wVEmsGbA== |
|---|---|
| Final Action Date | 2025-12-16 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0035258680 |
| Model | C81 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Smart watch |
| Responsible Party | Xiaoqing Cai, james@trusang.com , +86 13392880316 |
| Technical Contact | Shenzhen ZhiHuiJu Technology Co.,Ltd, james@trusang.com |
| Non-Technical Contact | CLF Import and Export Limited, david.chen@clfimportexport.com |
| Test Firm | Lahm Peng, Shenzhen CCUT Quality Technology Co., Ltd., lahm@ccuttest.com  , 86-13798582307 |
| TCB Email | anezam@qai.org  |
| 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 |
|---|---|---|
| JMwfOW3sfBuDH2wVEmsGbA== | 2025-12-16 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0019 | 15C |
Grants
TCB Grant - Application JMwfOW3sfBuDH2wVEmsGbA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
QAI LABORATORIES LTD 3980 North Fraser Way Burnaby, BC, V5J5K5 Canada |
Date of Grant: 12/16/2025 Application Dated: 12/16/2025 |
| Shenzhen ZhiHuiJu Technology Co.,Ltd |
| Room A315, Block A, Huafeng International Robot |
| Industrial Park, Gushu Xixiang, Baoan District |
| Shenzhen, China |
| Attention: Xiaoqing Cai , |
| 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: | 2BFRU-C81 |
| Name of Grantee: | Shenzhen ZhiHuiJu Technology Co.,Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Smart watch |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0019 |
| Power listed is the maximum conducted output power. |