FCC ID 2BNP4-E500
Smart watch
by Shenzhen Changtai Electronics Co.,Ltd
Grantee Code: 2BNP4 Product Code: E500
Latest application date: 2026-02-26
FCC ID Device Details
| FCC ID | 2BNP4-E500 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BNP4 |
| Product Code | E500 |
| Applicant Business | Shenzhen Changtai Electronics Co.,Ltd 🇨🇳 |
| Related Domains |  shirajo.com  hyunturlee-commerce.com |
| Equipment Class | Smart watch |
| Test Firm | Shenzhen DL Testing Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-02-26 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 13_E500 Users Manual | Users Manual | 2026-02-26 | PDF 916.1 KB |
| 09_E500 Internal Photos | Internal Photos | 2026-02-26 | PDF 1.3 MB |
| 08_E500 External Photos | External Photos | 2026-02-26 | PDF 1.8 MB |
| 07_E500 Label Sample and Location r1 | ID Label/Location Info | 2026-02-26 | PDF 150.9 KB |
| 15_E500 Test Setup Photos | Test Setup Photos | 2026-02-26 | PDF 647.9 KB |
| 14_E500 Test Report DTS BLE | Test Report | 2026-02-26 | PDF 2.8 MB |
| 16_E500 Antenna Specification | Test Report | 2026-02-26 | PDF 510 KB |
| 02_E500 Covered Equipment Certification Attestation Letter | Attestation Statements | 2026-02-26 | PDF 120.8 KB |
| 03_E500 U.S. Agent Designation Attestation Letter | Attestation Statements | 2026-02-26 | PDF 148.4 KB |
| 04_E500 Authorization-Agent | Cover Letter(s) | 2026-02-26 | PDF 314 KB |
| 05_E500 Authorization-CT | Cover Letter(s) | 2026-02-26 | PDF 18.5 KB |
| 06_E500 Long-Confidential Request | Cover Letter(s) | 2026-02-26 | PDF 133.3 KB |
| 18_E500 Models Difference Declaration | Cover Letter(s) | 2026-02-26 | PDF 77.9 KB |
| 17_E500 RF Exp Info | RF Exposure Info | 2026-02-26 | PDF 139.2 KB |
| 11_E500 Block Diagram Metadata only | Block Diagram | PDF 241.1 KB | |
| 12_E500 Schematics Metadata only | Schematics | PDF 95.9 KB | |
| 10_E500 Operational Description Metadata only | Operational Description | PDF 16.7 KB | |
| 21_E500 Parts List r1 Metadata only | Parts List/Tune Up Info | PDF 441.5 KB |
Application Information
| Application ID | SpnV4XKq1pgBrH75ChVGhg== |
|---|---|
| Final Action Date | 2026-02-26 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0035905629 |
| Model | E500 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Smart watch |
| Responsible Party | Wendy Feng, wendy@shirajo.com , 13510847281 |
| Non-Technical Contact | Jianfeng Gao, Herland International Trading Inc, jianfenggao@hyunturlee-commerce.com , (909) 772-1888 |
| Test Firm | Jade Yang, Shenzhen DL Testing Technology Co., Ltd., Jade.yang@dl-cert.com  , 400-688-3552 |
| 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 | 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 |
|---|---|---|
| SpnV4XKq1pgBrH75ChVGhg== | 2026-02-26 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00104 | 15C |
Grants
TCB Grant - Application SpnV4XKq1pgBrH75ChVGhg==
| 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: 02/26/2026 Application Dated: 02/26/2026 |
| Shenzhen Changtai Electronics Co.,Ltd |
| 4/F, Building 17, Huafeng Manufacturing Zone, |
| Wanle Road, Shajing, Baoan, |
| Shenzhen, China |
| Attention: Wendy Feng , Sales 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: | 2BNP4-E500 |
| Name of Grantee: | Shenzhen Changtai Electronics 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 | 0.00104 |
| Power listed is conducted. |