FCC ID 2AZEQ-B175

Headphone

by NOTHING TECHNOLOGY LIMITED

Grantee Code: 2AZEQ   Product Code: B175
Latest application date: 2025-09-21

FCC ID Device Details

FCC ID2AZEQ-B175
Mirrorsfcc.id | gov | fccid.ai
Grantee Code2AZEQ
Product CodeB175
Applicant BusinessNOTHING TECHNOLOGY LIMITED 🇬🇧
Related Domains nothing.tech baluntek.com
Equipment ClassHeadphone
Test FirmShenzhen BALUN Technology Co., Ltd.

Operating Frequencies

Frequency RangeApplication PurposeFinal Action Date
2402-2480 MHzOriginal Equipment2025-09-21
2402-2480 MHzOriginal Equipment2025-09-21

Exhibits

DocumentTypeAvailableFile
Users ManualUsers Manual2026-03-03PDF 5.6 MB
Internal PhotosInternal Photos2026-03-03PDF 2.2 MB
External PhotosExternal Photos2026-03-03PDF 776.3 KB
ID Label/Location InfoID Label/Location Info2025-09-21PDF 719 KB
Test Setup Photos_JBPTest Setup Photos2026-03-03PDF 593.5 KB
EUT test setup photoTest Setup Photos2026-03-02PDF 593.5 KB
RF test setup photoTest Setup Photos2026-03-02PDF 868.2 KB
SAR test setup photoTest Setup Photos2026-03-02PDF 424.1 KB
DSS test reportTest Report2025-09-21PDF 3.3 MB
DTS test reportTest Report2025-09-21PDF 5.4 MB
SAR test reportRF Exposure Info2025-09-21PDF 1.1 MB
Test Report_JBPTest Report2025-09-21PDF 541.3 KB
antenna specTest Report2025-09-21PDF 708 KB
Attestation StatementsAttestation Statements2025-09-21PDF 32 KB
US AgentAttestation Statements2025-09-21PDF 395.1 KB
Authorazition R2Cover Letter(s)2025-09-21PDF 64.2 KB
Authorization LetterCover Letter(s)2025-09-21PDF 54.1 KB
Confidentiality Request LetterCover Letter(s)2025-09-21PDF 58.9 KB
BL-SZ2551124-APRF Exposure Info2025-09-21PDF 270.8 KB
BL-SZ2551124-ASC System CheckRF Exposure Info2025-09-21PDF 138.4 KB
BL-SZ2551124-ATD Test LogRF Exposure Info2025-09-21PDF 139.6 KB
Calibration reportRF Exposure Info2025-09-21PDF 3.7 MB
Block Diagram Metadata onlyBlock DiagramPDF 337.1 KB
Schematics Metadata onlySchematicsPDF 1.4 MB
Operational Description Metadata onlyOperational DescriptionPDF 65.5 KB
Tune-up Procedure Metadata onlyParts List/Tune Up InfoPDF 65.8 KB

Application Information

Application IDNolMuxw6o+fP83mZvT1CEg==
Final Action Date2025-09-21
Application PurposeOriginal Equipment
Applicant FRN0030725451
ModelB175
Frequency Range2402-2480 MHz
Equipment ClassDTS - Digital Transmission System
Device DescriptionHeadphone
Responsible PartyJathan Liu, jathan.liu@nothing.tech , 8618938035041
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 Emaildl_radio-certification@kiwa.com
TCB ScopeA4: UNII devices & low power transmitters using spread spectrum techniques
Short-Term ConfidentialityYes
Long-Term ConfidentialityYes
Modular EquipmentDoes not apply
Composite DeviceYes
Cognitive RadioNo
Authorization WaiverNo
Authorization Waiver ApprovedNo
Section 5301 CertificationYes
Related OET Knowledge DataBase InquiryNo

Applications

Application IDDatePurpose
NolMuxw6o+fP83mZvT1CEg==2025-09-21Original Equipment
7nX0X0IVs88U9MCcwUA0ug==2025-09-21Original Equipment
3NGUxUQ/XweXorix2fuFgg==2025-09-21Original Equipment

Equipment Authorization

FrequencyOutputRulesGrant Notes
2402-2480 MHz0.006515CCC
15BCC
2402-2480 MHz0.03715CCC

Grants

TCB Grant - Application NolMuxw6o+fP83mZvT1CEg==

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: 09/21/2025

Application Dated: 09/03/2025
NOTHING TECHNOLOGY LIMITED
Bedford House, 21A John Street
London, WC1N 2BF
United Kingdom
 
Attention: Jathan Liu ,

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:  2AZEQ-B175
Name of Grantee:  NOTHING TECHNOLOGY LIMITED
Equipment Class: Digital Transmission System
Notes: Headphone
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.0065  

Output power is conducted power. This is a portable device. The highest reported SAR for the head is 0.23 W/kg.

CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application 7nX0X0IVs88U9MCcwUA0ug==

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: 09/21/2025

Application Dated: 09/04/2025
NOTHING TECHNOLOGY LIMITED
Bedford House, 21A John Street
London, WC1N 2BF
United Kingdom
 
Attention: Jathan Liu ,

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:  2AZEQ-B175
Name of Grantee:  NOTHING TECHNOLOGY LIMITED
Equipment Class: Part 15 Class B Computing Device Peripheral
Notes: Headphone
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15B  - 


CC: This device is certified pursuant to two different Part 15 rules sections.

TCB Grant - Application 3NGUxUQ/XweXorix2fuFgg==

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: 09/21/2025

Application Dated: 09/03/2025
NOTHING TECHNOLOGY LIMITED
Bedford House, 21A John Street
London, WC1N 2BF
United Kingdom
 
Attention: Jathan Liu ,

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:  2AZEQ-B175
Name of Grantee:  NOTHING TECHNOLOGY LIMITED
Equipment Class: Part 15 Spread Spectrum Transmitter
Notes: Headphone
Grant Notes  FCC Rule Parts Frequency
Range (MHZ)
Output
Watts
Frequency
Tolerance
Emission
Designator
CC 15C 2402.0  -  2480.0 0.037  

Output power is conducted power. This is a portable device. The highest reported SAR for the head is 0.23 W/kg.

CC: This device is certified pursuant to two different Part 15 rules sections.