1. FCC ID
  2. 2BK8J
  3. 2BK8J-CTBUDS1

FCC ID 2BK8J-CTBUDS1

True Wireless Earphones

by Shanghai WeihonghangCulture Communication Co., Ltd.

Grantee Code: 2BK8J   Product Code: CTBUDS1
Latest application date: 2025-07-29

FCC ID Device Details

FCC ID2BK8J-CTBUDS1
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BK8J
Product CodeCTBUDS1
Applicant BusinessShanghai WeihonghangCulture Communication Co., Ltd. 🇨🇳
Related Domains keesion.com
Equipment ClassTrue Wireless Earphones
Test FirmShenzhen HTT Technology Co.,Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-07-29

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2025-07-29PDF 4.2 MB
appendix II EUT Internal photoInternal Photos2025-07-29PDF 1.1 MB
appendix II EUT External photoExternal Photos2025-07-29PDF 1.9 MB
Label and Label LocationID Label/Location Info2025-07-29PDF 290.9 KB
appendix I EUT Test Setup photoTest Setup Photos2025-07-29PDF 422.7 KB
Antenna specificationTest Report2025-07-29PDF 563.8 KB
Appendix RF Test Data for BTTest Report2025-07-29PDF 4.5 MB
HTT202507769F01_Test Report BTTest Report2025-07-29PDF 887.5 KB
USA-CoveredEquipmentLetter-Combined_V1.1Attestation Statements2025-07-29PDF 115.1 KB
USA-LocalRepLetter_V1.1 - 2BK8J-CTBUDS1Attestation Statements2025-07-29PDF 355.3 KB
FCC Declaration Letter - Left&RightCover Letter(s)2025-07-29PDF 439.3 KB
USA-ConfidentialityRequestLetter_V0.1Cover Letter(s)2025-07-29PDF 100.5 KB
HTT202507769F02_RF Exposure-infoRF Exposure Info2025-07-29PDF 423.2 KB
Block diagram Metadata onlyBlock DiagramPDF 81.9 KB
schematic Metadata onlySchematicsPDF 53.9 KB
Operation Description Metadata onlyOperational DescriptionPDF 172.6 KB
USA-DueDigilenceLetter_V0.1 Metadata onlyOperational DescriptionPDF 148.8 KB

Application Information

Application IDvDD30TVVtrmXU0CuKlEgjQ==
Final Action Date2025-07-29
Application PurposeOriginal Equipment
Applicant FRN0035930080
ModelCTBUDS1
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionTrue Wireless Earphones
Responsible PartyLcy Liu, liumingxia@keesion.com , 13603034005
Test FirmKevin Yang, Shenzhen HTT Technology Co.,Ltd., info@httprc.com , 86-755-23595200
TCB Emailo.kneip@kl-certification.de
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityNo
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceNo
Composite PartNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsOutput Power listed is peak conducted.

Applications

Application IDDatePurpose
vDD30TVVtrmXU0CuKlEgjQ==2025-07-29Original Equipment

Equipment Authorization

FrequencyOutput
2402-2480 MHz0.0010000

Grants

TCB Grant - Application vDD30TVVtrmXU0CuKlEgjQ==

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: 07/29/2025

Application Dated: 07/29/2025
Shanghai WeihonghangCulture Communication Co., Ltd.
No. 58 Fumin Branch, Hengsha Township,
Chongming District
Shanghai,
China
 
Attention: Lcy Liu ,

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:  2BK8J-CTBUDS1
Name of Grantee:  Shanghai WeihonghangCulture Communication Co., Ltd.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: True Wireless Earphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.001  

Output Power listed is peak conducted.