FCC ID 2AOKX-K66ULTRA
Mini Ultra Series Smart Color Screen Touch-Controlled TWS Wireless Ear-Clip Earphones(Case)
by Shenzhen Swetz Sound Technology Co., Limited
Grantee Code: 2AOKX Product Code: K66ULTRA
Latest application date: 2025-12-21
FCC ID Device Details
| FCC ID | 2AOKX-K66ULTRA |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AOKX |
| Product Code | K66ULTRA |
| Applicant Business | Shenzhen Swetz Sound Technology Co., Limited 🇨🇳 |
| Related Domains | |
| Equipment Class | Mini Ultra Series Smart Color Screen Touch-Controlled TWS Wireless Ear-Clip Earphones(Case) |
| Test Firm | SHENZHEN NCT TESTING TECHNOLOGY CO., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-12-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-06-20 | PDF 3.1 MB |
| Int photo | Internal Photos | 2025-12-21 | PDF 2.9 MB |
| Ext photo | External Photos | 2025-12-21 | PDF 598 KB |
| Label and Location | ID Label/Location Info | 2025-12-21 | PDF 494.8 KB |
| Test setup photo | Test Setup Photos | 2025-12-21 | PDF 1.5 MB |
| Antenna Spec | Test Report | 2025-12-21 | PDF 942.7 KB |
| BLE Report Appendix data | Test Report | 2025-12-21 | PDF 3.2 MB |
| Test report | Test Report | 2025-12-21 | PDF 1.2 MB |
| Attestation Statements-Kaspersky | Attestation Statements | 2025-12-21 | PDF 119.8 KB |
| Attestation Statements-Not Covered | Attestation Statements | 2025-12-21 | PDF 66.5 KB |
| US Agent attestation | Attestation Statements | 2025-12-21 | PDF 102.2 KB |
| Confidentiality request | Cover Letter(s) | 2025-12-21 | PDF 70.2 KB |
| Model difference | Cover Letter(s) | 2025-12-21 | PDF 73.3 KB |
| POA | Cover Letter(s) | 2025-12-21 | PDF 63.8 KB |
| RF exposure | RF Exposure Info | 2025-12-21 | PDF 104.8 KB |
| Block diagram Metadata only | Block Diagram | PDF 14.8 KB | |
| Schematics Metadata only | Schematics | PDF 133.1 KB | |
| Operational Description Metadata only | Operational Description | PDF 55.2 KB |
Application Information
| Application ID | sQzhFfK4ngw5mHL9XT4iQg== |
|---|---|
| Final Action Date | 2025-12-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0027078971 |
| Model | K66ULTRA |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Mini Ultra Series Smart Color Screen Touch-Controlled TWS Wireless Ear-Clip Earphones(Case) |
| Responsible Party | Feng Yang, feng.yang@swetzsound.com |
| Non-Technical Contact | Maverick Lim, TTS MARKET INC., Maverick@ttsmarket.cc |
| Test Firm | Henry Wang, SHENZHEN NCT TESTING TECHNOLOGY CO., LTD., Henry@nct-testing.com |
| TCB Email | joe_chew@derycom-us.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 | 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 |
|---|---|---|
| sQzhFfK4ngw5mHL9XT4iQg== | 2025-12-21 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.00441 | 15C |
Grants
TCB Grant - Application sQzhFfK4ngw5mHL9XT4iQg==
| 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: 12/21/2025 Application Dated: 12/22/2025 |
| Shenzhen Swetz Sound Technology Co., Limited |
| No.19, Jianlong Street, Baoan Community |
| Yuanshan, Longgang District |
| Shenzhen, China |
| Attention: Feng Yang , |
| 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: | 2AOKX-K66ULTRA |
| Name of Grantee: | Shenzhen Swetz Sound Technology Co., Limited |
| Equipment Class: | Digital Transmission System |
| Notes: | Mini Ultra Series Smart Color Screen Touch-Controlled TWS Wireless Ear-Clip Earphones(Case) |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00441 |
| Output power listed is conducted power. |