FCC ID 2AQI5-WS225
UGREEN HiTune S3 Air True Wireless Earbuds & UGREEN HiTune S3 Plus True Wireless Earbuds
by Ugreen Group Limited
Grantee Code: 2AQI5 Product Code: WS225
Latest application date: 2026-06-10
FCC ID Device Details
| FCC ID | 2AQI5-WS225 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AQI5 |
| Product Code | WS225 |
| Applicant Business | Ugreen Group Limited 🇨🇳 |
| Related Domains |  ugreen.com |
| Equipment Class | UGREEN HiTune S3 Air True Wireless Earbuds & UGREEN HiTune S3 Plus True Wireless Earbuds |
| Test Firm | Shenzhen BALUN Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-06-10 |
| 2404-2478 MHz | Original Equipment | 2026-06-10 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Internal Photos | Internal Photos | 2026-06-10 | PDF 3.5 MB |
| External Photos | External Photos | 2026-06-10 | PDF 1.8 MB |
| ID Label/Location Info | ID Label/Location Info | 2026-06-10 | PDF 739.5 KB |
| Test Setup Photos | Test Setup Photos | 2026-06-10 | PDF 1.7 MB |
| DSS test report_Part 1 | Test Report | 2026-06-10 | PDF 5 MB |
| DSS test report_Part 2 | Test Report | 2026-06-10 | PDF 5.2 MB |
| DTS test report_BLE_Part 1 | Test Report | 2026-06-10 | PDF 4.2 MB |
| DTS test report_BLE_Part 2 | Test Report | 2026-06-10 | PDF 2.4 MB |
| antenna spec | Test Report | 2026-06-10 | PDF 3 MB |
| Attestation Statements | Attestation Statements | 2026-06-10 | PDF 325.6 KB |
| US Agent Letter | Attestation Statements | 2026-06-10 | PDF 423.7 KB |
| Authorization Letter | Cover Letter(s) | 2026-06-10 | PDF 275.1 KB |
| Confidentiality | Cover Letter(s) | 2026-06-10 | PDF 309 KB |
| RF Exposure Info. | RF Exposure Info | 2026-06-10 | PDF 609.1 KB |
| Users Manual_S3 Air True Wireless Earbuds Metadata only | Users Manual | 2026-12-08 | PDF 3.4 MB |
| Users Manual_S3 Plus True Wireless Earbud Metadata only | Users Manual | 2026-12-08 | PDF 2.9 MB |
| Block Diagram Metadata only | Block Diagram | PDF 20.1 KB | |
| Schematics Metadata only | Schematics | PDF 109.9 KB | |
| Operational Description Metadata only | Operational Description | PDF 108.2 KB |
Application Information
| Application ID | zmJ3i+BbyhXC+pqfdCkgpg== |
|---|---|
| Final Action Date | 2026-06-10 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0027672971 |
| Model | WS225 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | UGREEN HiTune S3 Air True Wireless Earbuds & UGREEN HiTune S3 Plus True Wireless Earbuds |
| Responsible Party | Chi Yang, certification@ugreen.com , 0755-28198930 |
| Technical Contact | xuewen wu, Shenzhen BALUN Technology Co., Ltd., cbproject@baluntek.com  , 075566850100 |
| Non-Technical Contact | Morgan Gordon, America Ugreen Limited, seven@ugreen.com , 13022062630 |
| Test Firm | Hanson Lin, Shenzhen BALUN Technology Co., Ltd., Hanson.Lin@baluntek.com , 86-755-66833830 |
| TCB Email | dl_radio-certification@kiwa.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| 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 |
|---|---|---|
| zmJ3i+BbyhXC+pqfdCkgpg== | 2026-06-10 | Original Equipment |
| Pyv+JUA0wA4GSPSDNN3cdA== | 2026-06-10 | Original Equipment |
Grants
TCB Grant - Application zmJ3i+BbyhXC+pqfdCkgpg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Kiwa Nederland B.V. Wilmersdorf 50 Apeldoorn, NL-7300 AC Netherlands |
Date of Grant: 06/10/2026 Application Dated: 06/10/2026 |
| Ugreen Group Limited |
| UGREEN Building,Longcheng Industrial Park |
| Longguanxi Road,Longhua |
| ShenZhen, 518000 China |
| Attention: Chi Yang , 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: | 2AQI5-WS225 |
| Name of Grantee: | Ugreen Group Limited |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | UGREEN HiTune S3 Air True Wireless Earbuds & UGREEN HiTune S3 Plus True Wireless Earbuds |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0022 |
| Output power listed is conducted. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance. |
TCB Grant - Application Pyv+JUA0wA4GSPSDNN3cdA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Kiwa Nederland B.V. Wilmersdorf 50 Apeldoorn, NL-7300 AC Netherlands |
Date of Grant: 06/10/2026 Application Dated: 06/10/2026 |
| Ugreen Group Limited |
| UGREEN Building,Longcheng Industrial Park |
| Longguanxi Road,Longhua |
| ShenZhen, 518000 China |
| Attention: Chi Yang , 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: | 2AQI5-WS225 |
| Name of Grantee: | Ugreen Group Limited |
| Equipment Class: | Digital Transmission System |
| Notes: | UGREEN HiTune S3 Air True Wireless Earbuds & UGREEN HiTune S3 Plus True Wireless Earbuds |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0022 | |||
| 15C | 2404.0 - 2478.0 | 0.0021 |
| Output power listed is conducted. End-users must be informed of transmitter operating conditions for satisfying RF exposure compliance. |