FCC ID 2AXCT-K4
True wireless stereo
by Shenzhen Xiang Xiang Yu Technology Co.,Ltd
Grantee Code: 2AXCT Product Code: K4
Latest application date: 2026-03-18
FCC ID Device Details
| FCC ID | 2AXCT-K4 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AXCT |
| Product Code | K4 |
| Applicant Business | Shenzhen Xiang Xiang Yu Technology Co.,Ltd 🇨🇳 |
| Related Domains |  clfimportexport.com |
| Equipment Class | True wireless stereo |
| Test Firm | Shenzhen CCUT Quality Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-03-18 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-03-18 | PDF 1.7 MB |
| Internal photos | Internal Photos | 2026-03-18 | PDF 664.7 KB |
| External photos | External Photos | 2026-03-18 | PDF 928.9 KB |
| Label | ID Label/Location Info | 2026-03-18 | PDF 220.3 KB |
| test setup | Test Setup Photos | 2026-03-18 | PDF 358.4 KB |
| Test report | Test Report | 2026-03-18 | PDF 2.9 MB |
| ant spec | Test Report | 2026-03-18 | PDF 743.2 KB |
| Covered equipment list attestation | Attestation Statements | 2026-03-18 | PDF 117 KB |
| US agent designation attestation | Attestation Statements | 2026-03-18 | PDF 144.5 KB |
| Agent letter | Cover Letter(s) | 2026-03-18 | PDF 110.9 KB |
| Confidentiality request letter | Cover Letter(s) | 2026-03-18 | PDF 124.3 KB |
| RF Exposure Evaluation | RF Exposure Info | 2026-03-18 | PDF 160.2 KB |
| Block Metadata only | Block Diagram | PDF 115.8 KB | |
| sch Metadata only | Schematics | PDF 151.3 KB | |
| OP Metadata only | Operational Description | PDF 137 KB |
Application Information
| Application ID | 9VSfckKYucZNulqUgmIwVA== |
|---|---|
| Final Action Date | 2026-03-18 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0038176798 |
| Model | K4 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | True wireless stereo |
| Responsible Party | HongSheng He, 13682712029@163.com  , 13686883790 |
| Non-Technical Contact | David Chen, CLF Import and Export Limited, david.chen@clfimportexport.com , +1 949 254 2565 |
| Test Firm | Lahm Peng, Shenzhen CCUT Quality Technology Co., Ltd., lahm@ccuttest.com  , 86-13798582307 |
| 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 |
|---|---|---|
| 9VSfckKYucZNulqUgmIwVA== | 2026-03-18 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0003 | 15C |
Grants
TCB Grant - Application 9VSfckKYucZNulqUgmIwVA==
| 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: 03/18/2026 Application Dated: 03/18/2026 |
| Shenzhen Xiang Xiang Yu Technology Co.,Ltd |
| A601,A301,No.6,Qinhui Road,Guxing community, |
| Xixiang street, Bao'an District, |
| Shenzhen, 518126 China |
| Attention: HongSheng He , |
| 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: | 2AXCT-K4 |
| Name of Grantee: | Shenzhen Xiang Xiang Yu Technology Co.,Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | True wireless stereo |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0003 |
| Power listed is conducted. |