FCC ID 2ATS9-1521E
AI Open Ear True Wireless Headphone
by Cleer Limited
Grantee Code: 2ATS9 Product Code: 1521E
Latest application date: 2025-08-13
FCC ID Device Details
| FCC ID | 2ATS9-1521E |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2ATS9 |
| Product Code | 1521E |
| Applicant Business | Cleer Limited 🇨🇳 |
| Related Domains |  grandsun.com |
| Equipment Class | AI Open Ear True Wireless Headphone |
| Test Firm | Shenzhen Anbotek Compliance Laboratory Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-08-13 |
| 2402-2480 MHz | Original Equipment | 2025-08-13 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-02-09 | PDF 2.1 MB |
| Int photo | Internal Photos | 2026-02-09 | PDF 1.5 MB |
| External Photos | External Photos | 2026-02-09 | PDF 894.6 KB |
| Lable and lable location | ID Label/Location Info | 2025-08-13 | PDF 38.5 KB |
| Test Setup photo | Test Setup Photos | 2026-02-09 | PDF 462.7 KB |
| 1819C50033512501 FCC-BT Appendix Data | Test Report | 2025-08-13 | PDF 4.2 MB |
| 1819C50033512502 FCC-BLE Appendix Data | Test Report | 2025-08-13 | PDF 5.5 MB |
| Test Report | Test Report | 2025-08-13 | PDF 3.7 MB |
| Test Report | Test Report | 2025-08-13 | PDF 3.6 MB |
| Attestation statements | Attestation Statements | 2025-08-13 | PDF 72 KB |
| FCC Attestation Statements-Kaspersky | Attestation Statements | 2025-08-13 | PDF 122.3 KB |
| U.S. Agent Letter | Attestation Statements | 2025-08-13 | PDF 112.1 KB |
| Confidentiality Request | Cover Letter(s) | 2025-08-13 | PDF 73 KB |
| POA | Cover Letter(s) | 2025-08-13 | PDF 47.6 KB |
| RF Exposure | RF Exposure Info | 2025-08-13 | PDF 351 KB |
| Block diagram Metadata only | Block Diagram | PDF 46.1 KB | |
| SCH Metadata only | Schematics | PDF 72.2 KB | |
| OP Metadata only | Operational Description | PDF 81.7 KB |
Application Information
| Application ID | bw8MR1izTLxHQnbALkAQGw== |
|---|---|
| Final Action Date | 2025-08-13 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0028607695 |
| Model | 1521E |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | AI Open Ear True Wireless Headphone |
| Responsible Party | Siyan Huang, renzheng.gs@grandsun.com , 18777709491 |
| Test Firm | Jeff Zhu, Shenzhen Anbotek Compliance Laboratory Limited, jeff.zhu@anbotek.com  , 86-12798230942 |
| TCB Email | joe_chew@derycom-us.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 02/09/2026 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output power listed is conducted power. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| bw8MR1izTLxHQnbALkAQGw== | 2025-08-13 | Original Equipment |
| 5ZhQZ3dkLANyxsQzhpb8qg== | 2025-08-13 | Original Equipment |
Equipment Authorization
| Frequency | Output | Grant Notes |
|---|---|---|
| 2402-2480 MHz | 0.0016000 | CC |
Grants
TCB Grant - Application bw8MR1izTLxHQnbALkAQGw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 08/13/2025 Application Dated: 08/13/2025 |
| Cleer Limited |
| UNITS 2706 27/F SHUI ON CENTRE NOS.6-8 |
| HARBOUR ROAD WANCHAI |
| HK, China |
| Attention: Siyan Huang , Certified Engineer |
| 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: | 2ATS9-1521E |
| Name of Grantee: | Cleer Limited |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | AI Open Ear True Wireless Headphone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0016 |
| Output power listed is conducted power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 5ZhQZ3dkLANyxsQzhpb8qg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 08/13/2025 Application Dated: 08/13/2025 |
| Cleer Limited |
| UNITS 2706 27/F SHUI ON CENTRE NOS.6-8 |
| HARBOUR ROAD WANCHAI |
| HK, China |
| Attention: Siyan Huang , Certified Engineer |
| 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: | 2ATS9-1521E |
| Name of Grantee: | Cleer Limited |
| Equipment Class: | Digital Transmission System |
| Notes: | AI Open Ear True Wireless Headphone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0016 |
| Output power listed is conducted power. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |