1. FCC ID
  2. 2ASDI
  3. 2ASDI-S20

FCC ID 2ASDI-S20

Wireless Earphones

by Tiinlab Corporation

Grantee Code: 2ASDI   Product Code: S20
Latest application date: 2025-03-14

FCC ID Device Details

FCC ID2ASDI-S20
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2ASDI
Product CodeS20
Applicant BusinessTiinlab Corporation 🇨🇳
Related Domains tiinlab.com baluntek.com
Equipment ClassWireless Earphones
Test FirmShenzhen BALUN Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-03-14
2402-2480 MHzOriginal Equipment2025-03-14

Exhibits

DocumentTypeAvailableFile
Users ManualUsers Manual2025-09-11PDF 3.4 MB
Internal PhotosInternal Photos2025-09-11PDF 1.4 MB
External PhotosExternal Photos2025-09-11PDF 1.2 MB
ID Label/Location InfoID Label/Location Info2025-03-14PDF 430.9 KB
Test Setup Photos_RFTest Setup Photos2025-09-11PDF 1.7 MB
Test Setup Photos_SARTest Setup Photos2025-09-11PDF 741.2 KB
Antenna SpecificationTest Report2025-03-14PDF 2.8 MB
Test Report_BLETest Report2025-03-14PDF 3.9 MB
Test Report_DSS_Part 1Test Report2025-03-14PDF 4.9 MB
Test Report_DSS_Part 2Test Report2025-03-14PDF 825.7 KB
Test Report_SARRF Exposure Info2025-03-14PDF 1.5 MB
Attestation StatementsAttestation Statements2025-03-14PDF 652.5 KB
US Agent LetterAttestation Statements2025-03-14PDF 136.4 KB
Authorization LetterCover Letter(s)2025-03-14PDF 854.9 KB
confidentialityCover Letter(s)2025-03-14PDF 1.4 MB
Calibration reportRF Exposure Info2025-03-14PDF 3.9 MB
Block Diagram Metadata onlyBlock DiagramPDF 85.4 KB
Schematics Metadata onlySchematicsPDF 64.5 KB
Operational Description Metadata onlyOperational DescriptionPDF 94.3 KB
Tune-up Procedure Metadata onlyParts List/Tune Up InfoPDF 50.2 KB

Application Information

Application IDqyy+waAaxfqGMi7vtmucvQ==
Final Action Date2025-03-14
Application PurposeOriginal Equipment
Applicant FRN0028116580
ModelS20
Frequency Range2402-2480 MHz
Equipment ClassDSS - Part 15 Spread Spectrum Transmitter
Device DescriptionWireless Earphones
Responsible PartyLance Lang, lance.lang@tiinlab.com , 0755-66850100
AgentXuewen Xuewen Xuewen, Shenzhen BALUN Technology Co., Ltd., cbproject@baluntek.com , 86-755-66850100
Technical ContactXuewen Wu, Shenzhen BALUN Technology Co., Ltd, cbproject@baluntek.com , 86-755-66850100
Non-Technical ContactTiffany Zhang, Shenzhen BALUN Technology Co., Ltd, cbproject@baluntek.com , 86-755-66850100
Test FirmHanson Lin, Shenzhen BALUN Technology Co., Ltd., Hanson.Lin@baluntek.com , 86-755-66833830
TCB Emailcertification@telefication.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Short-Term Confidentiality Date09/11/2025
Long-Term ConfidentialityYes
Grant DeferralNo
Modular EquipmentDoes not apply
Composite DeviceYes
Composite PartNo
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo
Grant CommentsThis is a portable device. The SAR data in this filing is applicable to demonstrate compliance for body operating conditions and is limited to the specific configuration tested for this filling. SAR has been evaluated at 0 mm. The highest reported SAR values for head use condition is 0.13 W/kg.

Applications

Application IDDatePurpose
qyy+waAaxfqGMi7vtmucvQ==2025-03-14Original Equipment
atr57DnJTaCUktr1jZirZA==2025-03-14Original Equipment

Equipment Authorization

FrequencyOutput
2402-2480 MHz0.0026000
2402-2480 MHz0.0034000

Grants

TCB Grant - Application qyy+waAaxfqGMi7vtmucvQ==

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

  Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands 		Date of Grant: 03/14/2025

Application Dated: 03/14/2025
Tiinlab Corporation
No. 3333, Liuxian Avenue, Tower A, 35th Floor,
Tanglang City, Nanshan District
Shenzhen,
China
 
Attention: Lance Lang ,

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:  2ASDI-S20
Name of Grantee:  Tiinlab Corporation
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Wireless Earphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0034  

This is a portable device. The SAR data in this filing is applicable to demonstrate compliance for body operating conditions and is limited to the specific configuration tested for this filling. SAR has been evaluated at 0 mm. The highest reported SAR values for head use condition is 0.13 W/kg.

TCB Grant - Application atr57DnJTaCUktr1jZirZA==

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

  Kiwa Nederland B.V.
Wilmersdorf 50
Apeldoorn, NL-7300 AC
Netherlands 		Date of Grant: 03/14/2025

Application Dated: 03/14/2025
Tiinlab Corporation
No. 3333, Liuxian Avenue, Tower A, 35th Floor,
Tanglang City, Nanshan District
Shenzhen,
China
 
Attention: Lance Lang ,

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:  2ASDI-S20
Name of Grantee:  Tiinlab Corporation
Equipment Class: Digital Transmission System
Notes: Wireless Earphones
Grant Notes  FCC Rule Parts Frequency
Range (MHZ) 		Output
Watts 		Frequency
Tolerance 		Emission
Designator
15C 2402.0  -  2480.0 0.0026  

This is a portable device. The SAR data in this filing is applicable to demonstrate compliance for body operating conditions and is limited to the specific configuration tested for this filling. SAR has been evaluated at 0 mm. The highest reported SAR values for head use condition is 0.13 W/kg.