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 ID2AOKX-K66ULTRA
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AOKX
Product CodeK66ULTRA
Applicant BusinessShenzhen Swetz Sound Technology Co., Limited 🇨🇳
Related Domains swetzsound.com ttsmarket.cc
Equipment ClassMini Ultra Series Smart Color Screen Touch-Controlled TWS Wireless Ear-Clip Earphones(Case)
Test FirmSHENZHEN NCT TESTING TECHNOLOGY CO., LTD.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-12-21

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2026-06-20PDF 3.1 MB
Int photoInternal Photos2025-12-21PDF 2.9 MB
Ext photoExternal Photos2025-12-21PDF 598 KB
Label and LocationID Label/Location Info2025-12-21PDF 494.8 KB
Test setup photoTest Setup Photos2025-12-21PDF 1.5 MB
Antenna SpecTest Report2025-12-21PDF 942.7 KB
BLE Report Appendix dataTest Report2025-12-21PDF 3.2 MB
Test reportTest Report2025-12-21PDF 1.2 MB
Attestation Statements-KasperskyAttestation Statements2025-12-21PDF 119.8 KB
Attestation Statements-Not CoveredAttestation Statements2025-12-21PDF 66.5 KB
US Agent attestationAttestation Statements2025-12-21PDF 102.2 KB
Confidentiality requestCover Letter(s)2025-12-21PDF 70.2 KB
Model differenceCover Letter(s)2025-12-21PDF 73.3 KB
POACover Letter(s)2025-12-21PDF 63.8 KB
RF exposureRF Exposure Info2025-12-21PDF 104.8 KB
Block diagram Metadata onlyBlock DiagramPDF 14.8 KB
Schematics Metadata onlySchematicsPDF 133.1 KB
Operational Description Metadata onlyOperational DescriptionPDF 55.2 KB

Application Information

Application IDsQzhFfK4ngw5mHL9XT4iQg==
Final Action Date2025-12-21
Application PurposeOriginal Equipment
Applicant FRN0027078971
ModelK66ULTRA
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionMini Ultra Series Smart Color Screen Touch-Controlled TWS Wireless Ear-Clip Earphones(Case)
Responsible PartyFeng Yang, feng.yang@swetzsound.com , +86-755-28404633
Non-Technical ContactMaverick Lim, TTS MARKET INC., Maverick@ttsmarket.cc , 001-(646)305-2908
Test FirmHenry Wang, SHENZHEN NCT TESTING TECHNOLOGY CO., LTD., Henry@nct-testing.com , 0755-27790922
TCB Emailjoe_chew@derycom-us.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
sQzhFfK4ngw5mHL9XT4iQg==2025-12-21Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.0044115C

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.