1. FCC ID
  2. 2BKBV
  3. 2BKBV-M88

FCC ID 2BKBV-M88

WIRELESS EARBUDS

by Dongguan Rongcheng Acoustic Technology Co., LTD

Grantee Code: 2BKBV   Product Code: M88
Latest application date: 2026-10-13

FCC ID Device Details

FCC ID2BKBV-M88
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2BKBV
Product CodeM88
Applicant BusinessDongguan Rongcheng Acoustic Technology Co., LTD 🇨🇳
Equipment ClassWIRELESS EARBUDS
Test FirmDongguan Yaxu (AiT) Technology Limited

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2026-10-13

Exhibits

DocumentTypeAvailableFile
User manualUsers Manual2026-10-13PDF 5.8 MB
Internal photoInternal Photos2026-10-13PDF 671.4 KB
External photoExternal Photos2026-10-13PDF 1.1 MB
Label and locationID Label/Location Info2026-10-13PDF 213.5 KB
Test Setup PhotosTest Setup Photos2026-10-13PDF 324.4 KB
AiTDG-260924001W1_FCC Test Report_BT BREDR_Part1Test Report2026-10-13PDF 5 MB
AiTDG-260924001W1_FCC Test Report_BT BREDR_Part2Test Report2026-10-13PDF 2.7 MB
Antenna SpecificationTest Report2026-10-13PDF 1.3 MB
Appendix RF test data for BTTest Report2026-10-13PDF 4.9 MB
USA-CoveredEquipmentLetter-Combined_V1.1Attestation Statements2026-10-13PDF 125.2 KB
Us agent-2BKBV-M88Attestation Statements2026-10-13PDF 424.5 KB
FCC Declaration Letter TWS left&RightCover Letter(s)2026-10-13PDF 197.1 KB
USA-ConfidentialityRequestLetter_V0.1Cover Letter(s)2026-10-13PDF 107.4 KB
AiTDG-260924001W2_FCC RF EXPOSURERF Exposure Info2026-10-13PDF 186.5 KB
Block diagram Metadata onlyBlock DiagramPDF 63.9 KB
Schematic Metadata onlySchematicsPDF 253.1 KB
Operation Description Metadata onlyOperational DescriptionPDF 533.3 KB
USA-DueDigilenceLetter_V0.1 Metadata onlyOperational DescriptionPDF 631.6 KB

Application Information

Application ID1syvUyezyYlo6yuAJCLGMA==
Final Action Date2026-10-13
Application PurposeOriginal Equipment
Applicant FRN0035818731
ModelM88
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionWIRELESS EARBUDS
Responsible PartySu Fengjiao, 2844687404@QQ.COM , 13027941006
Non-Technical ContactLeonardo Lei, BERDAM LLC, berdam.leo@gmail.com , (646) 578-9260
Test FirmCoin Tang, Dongguan Yaxu (AiT) Technology Limited, info@aitek.org.cn , +86 0769-82020499
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
1syvUyezyYlo6yuAJCLGMA==2026-10-13Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.000715C

Grants

TCB Grant - Application 1syvUyezyYlo6yuAJCLGMA==

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: 10/13/2026

Application Dated: 10/13/2026
Dongguan Rongcheng Acoustic Technology Co., LTD
City Wisdom Valley 3 Building 805-2
No.19 Jinpeng Road, Fenggang Town P.O. Box 450007,
Dongguan,
China
 
Attention: Su Fengjiao ,

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:  2BKBV-M88
Name of Grantee:  Dongguan Rongcheng Acoustic Technology Co., LTD
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: WIRELESS EARBUDS
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0007  

Output Power listed is peak conducted.