1. FCC ID
  2. 2BRSR
  3. 2BRSR-CERAMICSULTRA

FCC ID 2BRSR-CERAMICSULTRA

Wireless headphones

by Chengdu Miaomiao Wangwang Technology Co., Ltd.

Grantee Code: 2BRSR   Product Code: CERAMICSULTRA
Latest application date: 2025-12-30

FCC ID Device Details

FCC ID2BRSR-CERAMICSULTRA
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BRSR
Product CodeCERAMICSULTRA
Applicant BusinessChengdu Miaomiao Wangwang Technology Co., Ltd. 🇨🇳
Related Domains act-lab.com
Equipment ClassWireless headphones
Test FirmShenzhen Toby Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-12-30

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2025-12-30PDF 1.8 MB
Internal PhotosInternal Photos2025-12-30PDF 1.3 MB
External PhotosExternal Photos2025-12-30PDF 1 MB
Label&LocationID Label/Location Info2025-12-30PDF 682.9 KB
Test setup photosTest Setup Photos2025-12-30PDF 1.2 MB
Antenna SpecificationTest Report2025-12-30PDF 1.8 MB
Appendix A for BT RF Test Data(FCC)Test Report2025-12-30PDF 5.5 MB
TBR-C-202508-0228-4 FCC Test Report BTTest Report2025-12-30PDF 2 MB
USA-CoveredEquipmentLetter-Combined_V1.1Attestation Statements2025-12-30PDF 122.4 KB
USA-LocalRepLetter_V1.1Attestation Statements2025-12-30PDF 503.3 KB
FCC Declaration Letter TWS left&RightCover Letter(s)2025-12-30PDF 390.6 KB
USA-ConfidentialityRequestLetter_V0.1Cover Letter(s)2025-12-30PDF 106.2 KB
TBR-C-202508-0228-6 RF Exposure(Portable FCC)RF Exposure Info2025-12-30PDF 949 KB
Block diagram Metadata onlyBlock DiagramPDF 300.2 KB
Schematic Metadata onlySchematicsPDF 393.1 KB
Operation Description Metadata onlyOperational DescriptionPDF 455.2 KB
USA-DueDigilenceLetter_V0.1 Metadata onlyOperational DescriptionPDF 151 KB

Application Information

Application ID1EEOF0lcO+MeJ9Tqw6X2ww==
Final Action Date2025-12-30
Application PurposeOriginal Equipment
Applicant FRN0037417078
ModelCERAMICSULTRA
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionWireless headphones
Responsible PartyHenry Chan, henry_cdoffice@163.com , 13760447068
Non-Technical ContactScott Huber, ACT Lab LLC, shuber@act-lab.com , (562) 470-7215
Test FirmRay Lai, Shenzhen Toby Technology Co., Ltd., Ray.LAI@cotecna.com.cn , 086-075526509301
TCB Emailo.kneip@kl-certification.de
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
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
1EEOF0lcO+MeJ9Tqw6X2ww==2025-12-30Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.005215C

Grants

TCB Grant - Application 1EEOF0lcO+MeJ9Tqw6X2ww==

TCB GRANT OF EQUIPMENT
AUTHORIZATION		 TCB
Certification
Issued Under the Authority of the
Federal Communications Commission
By:

  KL-Certification GmbH
Heinrich-Hertz-Allee 7
St. Ingbert, 66386
Germany 		Date of Grant: 12/30/2025

Application Dated: 12/30/2025
Chengdu Miaomiao Wangwang Technology Co., Ltd.
No.100-12 Jinpan Road, Lanting Community,
Hesheng Town, Wenjiang District,
Chengdu City,
China
 
Attention: Henry Chan , Director of Overseas Department

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:  2BRSR-CERAMICSULTRA
Name of Grantee:  Chengdu Miaomiao Wangwang Technology Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Wireless headphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0052  

Output Power listed is peak conducted.