1. FCC ID
  2. 2BOYB
  3. 2BOYB-Z4

FCC ID 2BOYB-Z4

Bone Conduction Headphones

by SHENZHEN LONFINE INNOVATION TECHNOLOGY CO., LTD.

Grantee Code: 2BOYB   Product Code: Z4
Latest application date: 2025-05-13

FCC ID Device Details

FCC ID2BOYB-Z4
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BOYB
Product CodeZ4
Applicant BusinessSHENZHEN LONFINE INNOVATION TECHNOLOGY CO., LTD. 🇨🇳
Related Domains lonfine.com
Equipment ClassBone Conduction Headphones
Test FirmShenzhen Bangce Testing Technology Co. , Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-05-13

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2025-05-13PDF 869.2 KB
Internal photosInternal Photos2025-05-13PDF 1.2 MB
External photosExternal Photos2025-05-13PDF 727.9 KB
LabelID Label/Location Info2025-05-13PDF 354.5 KB
Test setupTest Setup Photos2025-05-13PDF 409.3 KB
Antenna specificationTest Report2025-05-13PDF 1.1 MB
Test report part 1Test Report2025-05-13PDF 4 MB
Test report part 2Test Report2025-05-13PDF 4 MB
Covered equipment list attestationAttestation Statements2025-05-13PDF 54.3 KB
US agent designation attestationAttestation Statements2025-05-13PDF 56.5 KB
Agent letterCover Letter(s)2025-05-13PDF 93.9 KB
Confidentiality request letterCover Letter(s)2025-05-13PDF 96.1 KB
Model different letterCover Letter(s)2025-05-13PDF 109.6 KB
RF Exposure EvaluationRF Exposure Info2025-05-13PDF 77.1 KB
Block Diagram Metadata onlyBlock DiagramPDF 126 KB
Schematics Metadata onlySchematicsPDF 175.2 KB
Operational Description Metadata onlyOperational DescriptionPDF 121.4 KB

Application Information

Application IDIx0lQWiYtIM+LdCDh2LV8g==
Final Action Date2025-05-13
Application PurposeOriginal Equipment
Applicant FRN0036954998
ModelZ4
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionBone Conduction Headphones
Responsible PartyPing Xu, xuping@lonfine.com , 18026327099
Test FirmHans Hu, Shenzhen Bangce Testing Technology Co. , Ltd., huzhiqiang@cis-cn.net , +86 0158 1873 0309
TCB EmailTCBAdmin@compliancetesting.com
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 conducted.

Applications

Application IDDatePurpose
Ix0lQWiYtIM+LdCDh2LV8g==2025-05-13Original Equipment

Equipment Authorization

FrequencyOutput
2402-2480 MHz0.0028200

Grants

TCB Grant - Application Ix0lQWiYtIM+LdCDh2LV8g==

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: 05/13/2025

Application Dated: 05/13/2025
SHENZHEN LONFINE INNOVATION TECHNOLOGY CO., LTD.
1011, D Area, Building 7, Hengda Fashion
Valley, Dalang Street, Longhua District,
Shenzhen,
China
 
Attention: Ping Xu ,

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:  2BOYB-Z4
Name of Grantee:  SHENZHEN LONFINE INNOVATION TECHNOLOGY CO., LTD.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Bone Conduction Headphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.00282  

Output power listed is conducted.