1. FCC ID
  2. 2BOYB
  3. 2BOYB-TAT2420

FCC ID 2BOYB-TAT2420

TWS Bluetooth Earphones

by SHENZHEN LONFINE INNOVATION TECHNOLOGY CO., LTD.

Grantee Code: 2BOYB   Product Code: TAT2420
Latest application date: 2025-06-27

FCC ID Device Details

FCC ID2BOYB-TAT2420
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BOYB
Product CodeTAT2420
Applicant BusinessSHENZHEN LONFINE INNOVATION TECHNOLOGY CO., LTD. 🇨🇳
Related Domains lonfine.com
Equipment ClassTWS Bluetooth Earphones
Test FirmDongguan DN Testing Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-06-27

Exhibits

DocumentTypeAvailableFile
User ManualUsers Manual2025-06-27PDF 465.1 KB
Internal PhotosInternal Photos2025-06-27PDF 1.3 MB
External PhotosExternal Photos2025-06-27PDF 3.4 MB
Label and locationID Label/Location Info2025-06-27PDF 125.8 KB
Test Setup photoTest Setup Photos2025-06-27PDF 1.2 MB
Antenna SpecTest Report2025-06-27PDF 3.3 MB
FCC BT Test Report_Part1Test Report2025-06-27PDF 6 MB
FCC BT Test Report_Part2Test Report2025-06-27PDF 2.8 MB
USA-CoveredEquipmentLetter-Combined_V1.1Attestation Statements2025-06-27PDF 121.9 KB
USA-LocalRepLetter_V1.1-2BOYB-TAT2420Attestation Statements2025-06-27PDF 355.2 KB
FCC Declaration Letter TWS left&RightCover Letter(s)2025-06-27PDF 221 KB
USA-ConfidentialityRequestLetter_V0.1Cover Letter(s)2025-06-27PDF 101.4 KB
USA-CoveredEquipmentLetter-Combined_V1.1 Metadata onlyCover Letter(s)2025-06-27PDF 121.9 KB
FCC MPE(Portable) ReportRF Exposure Info2025-06-27PDF 1 MB
Block Diagram Metadata onlyBlock DiagramPDF 80.9 KB
Schematic Metadata onlySchematicsPDF 77.1 KB
Operation Description Metadata onlyOperational DescriptionPDF 110.6 KB
USA-DueDigilenceLetter_V0.1 Metadata onlyOperational DescriptionPDF 147.3 KB

Application Information

Application IDX/ADV+PQdzvC942WIAyEWw==
Final Action Date2025-06-27
Application PurposeOriginal Equipment
Applicant FRN0036954998
ModelTAT2420
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionTWS Bluetooth Earphones
Responsible PartyPing Xu, xuping@lonfine.com , 18026327099
Test FirmJoise Yang, Dongguan DN Testing Co., Ltd., Joise.yang@dn-testing.com , +86-0769-8808 7383
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
X/ADV+PQdzvC942WIAyEWw==2025-06-27Original Equipment

Equipment Authorization

FrequencyOutput
2402-2480 MHz0.0012000

Grants

TCB Grant - Application X/ADV+PQdzvC942WIAyEWw==

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: 06/27/2025

Application Dated: 06/27/2025
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-TAT2420
Name of Grantee:  SHENZHEN LONFINE INNOVATION TECHNOLOGY CO., LTD.
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: TWS Bluetooth Earphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0012  

Output Power listed is peak conducted.