1. FCC ID
  2. 2A2BY
  3. 2A2BY-056

FCC ID 2A2BY-056

True Wireless Stereo Earphones

by Dongguan Huien Electronic Technology Co., Ltd

Grantee Code: 2A2BY   Product Code: 056
Latest application date: 2025-11-21

FCC ID Device Details

FCC ID2A2BY-056
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2A2BY
Product Code056
Applicant BusinessDongguan Huien Electronic Technology Co., Ltd 🇨🇳
Related Domains huiendz.com
Equipment ClassTrue Wireless Stereo Earphones
Test FirmShenzhen CCUT Quality Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzClass II permissive change or modification of presently authorized equipment2025-11-21
2402-2480 MHzOriginal Equipment2025-03-10

Exhibits

DocumentTypeAvailableFile
user manualUsers Manual2025-09-07PDF 3.1 MB
Internal PhotosInternal Photos2025-11-21PDF 649.7 KB
internal photosInternal Photos2025-09-07PDF 865.3 KB
External PhotosExternal Photos2025-11-21PDF 787.5 KB
External photosExternal Photos2025-03-10PDF 1.1 MB
external photosExternal Photos2025-03-10PDF 866.4 KB
Label and Label locationID Label/Location Info2025-11-21PDF 220 KB
labelID Label/Location Info2025-03-10PDF 265.6 KB
labelID Label/Location Info2025-03-10PDF 210.5 KB
Test Setup PhotoTest Setup Photos2025-11-21PDF 258.1 KB
test setup photosTest Setup Photos2025-09-07PDF 395.8 KB
Test ReportTest Report2025-11-21PDF 744.1 KB
antenna specificationTest Report2025-03-10PDF 985.1 KB
test reportTest Report2025-03-10PDF 3.7 MB
Attestation Statements of US Agent for Service of Process, 2.911(d)(7)Attestation Statements2025-11-21PDF 130.7 KB
Attestation of Covered Equipment, 2.911(d)(5)(i)(ii)Attestation Statements2025-11-21PDF 186.6 KB
Attestation Section 2.911(d)(5)(i)&(ii)Attestation Statements2025-03-10PDF 114.7 KB
Attestation Section 2.911(d)(5)(i)&(ii)Attestation Statements2025-03-10PDF 114.8 KB
US Agent letterAttestation Statements2025-03-10PDF 129 KB
ANT ReportCover Letter(s)2025-11-21PDF 985.1 KB
Agent Authorization Letter TemplateCover Letter(s)2025-11-21PDF 149.9 KB
FCC Class II PC request letterCover Letter(s)2025-11-21PDF 193.4 KB
FCC Short & Long Term Confidentiality RequestCover Letter(s)2025-11-21PDF 81.3 KB
Model similarities and differencesCover Letter(s)2025-11-21PDF 84 KB
POA letterCover Letter(s)2025-03-10PDF 45.1 KB
POA letterCover Letter(s)2025-03-10PDF 45.2 KB
SDOC letterCover Letter(s)2025-03-10PDF 100.5 KB
SDOC letterCover Letter(s)2025-03-10PDF 102.7 KB
confidentiality letterCover Letter(s)2025-03-10PDF 107.6 KB
confidentiality letter Metadata onlyCover Letter(s)2025-03-10PDF 105.7 KB
family model declaration letterCover Letter(s)2025-03-10PDF 18.2 KB
RF ExposureRF Exposure Info2025-11-21PDF 139.4 KB
RF exposure reportRF Exposure Info2025-03-10PDF 139.4 KB
RF exposure reportRF Exposure Info2025-03-10PDF 151.7 KB
Block Diagram Metadata onlyBlock DiagramPDF 217.7 KB
Schematics Metadata onlySchematicsPDF 221.4 KB
Operational Description Metadata onlyOperational DescriptionPDF 1.3 MB

Application Information

Application ID3ve0omrm7xsxzgQwW6LfZg==
Final Action Date2025-11-21
Application PurposeClass II permissive change or modification of presently authorized equipment
Applicant FRN0031047020
Model056
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionTrue Wireless Stereo Earphones
Responsible PartyYanfeng Zhang, engineer10@huiendz.com , 86-18123809176
Technical ContactDongguan Huien Electronic Technology Co., Ltd, engineer10@huiendz.com
Test FirmLahm Peng, Shenzhen CCUT Quality Technology Co., Ltd., lahm@ccuttest.com , 86-13798582307
TCB Emailanezam@qai.org
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
3ve0omrm7xsxzgQwW6LfZg==2025-11-21Class II permissive change or modification of presently authorized equipment
Ovg7DrUZxbbt5Vi6OIKUHg==2025-03-10Original Equipment

Equipment Authorization

FrequencyOutputRules
2402-2480 MHz0.002415C

Grants

TCB Grant - Application Ovg7DrUZxbbt5Vi6OIKUHg==

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

  IIA Lab Services, LLC
13146 NW 86th Drive Suite 400
Alachua, FL 32615
Date of Grant: 03/10/2025

Application Dated: 03/10/2025
Dongguan Huien Electronic Technology Co., Ltd
Room 301, Building of 1, No. 429,
Changdong Road, Changping Town
Dongguan city, Guangdong Province,
China
 
Attention: Yanfeng Zhang , Manager

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:  2A2BY-056
Name of Grantee:  Dongguan Huien Electronic Technology Co., Ltd
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: True Wireless Stereo Earphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0024  

Power listed is conducted.

TCB Grant - Application 3ve0omrm7xsxzgQwW6LfZg==

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

  QAI LABORATORIES LTD
3980 North Fraser Way
Burnaby, BC, V5J5K5
Canada 		Date of Grant: 11/21/2025

Application Dated: 11/21/2025
Dongguan Huien Electronic Technology Co., Ltd
Room 301, Building of 1, No. 429,
Changdong Road, Changping Town
Dongguan city, Guangdong Province,
China
 
Attention: Yanfeng Zhang , Manager

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:  2A2BY-056
Name of Grantee:  Dongguan Huien Electronic Technology Co., Ltd
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: True Wireless Stereo Earphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0024  

C2PC.Only has a change in the supplier of capacitor C21 on the baseboard. Power listed is the maximum conducted output power.