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 ID | 2AZEQ-B175 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AZEQ |
| Product Code | B175 |
| Applicant Business | NOTHING TECHNOLOGY LIMITED 🇬🇧 |
| Related Domains | |
| Equipment Class | Headphone |
| Test Firm | Shenzhen BALUN Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-09-21 |
| 2402-2480 MHz | Original Equipment | 2025-09-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-03-03 | PDF 5.6 MB |
| Internal Photos | Internal Photos | 2026-03-03 | PDF 2.2 MB |
| External Photos | External Photos | 2026-03-03 | PDF 776.3 KB |
| ID Label/Location Info | ID Label/Location Info | 2025-09-21 | PDF 719 KB |
| Test Setup Photos_JBP | Test Setup Photos | 2026-03-03 | PDF 593.5 KB |
| EUT test setup photo | Test Setup Photos | 2026-03-02 | PDF 593.5 KB |
| RF test setup photo | Test Setup Photos | 2026-03-02 | PDF 868.2 KB |
| SAR test setup photo | Test Setup Photos | 2026-03-02 | PDF 424.1 KB |
| DSS test report | Test Report | 2025-09-21 | PDF 3.3 MB |
| DTS test report | Test Report | 2025-09-21 | PDF 5.4 MB |
| SAR test report | RF Exposure Info | 2025-09-21 | PDF 1.1 MB |
| Test Report_JBP | Test Report | 2025-09-21 | PDF 541.3 KB |
| antenna spec | Test Report | 2025-09-21 | PDF 708 KB |
| Attestation Statements | Attestation Statements | 2025-09-21 | PDF 32 KB |
| US Agent | Attestation Statements | 2025-09-21 | PDF 395.1 KB |
| Authorazition R2 | Cover Letter(s) | 2025-09-21 | PDF 64.2 KB |
| Authorization Letter | Cover Letter(s) | 2025-09-21 | PDF 54.1 KB |
| Confidentiality Request Letter | Cover Letter(s) | 2025-09-21 | PDF 58.9 KB |
| BL-SZ2551124-AP | RF Exposure Info | 2025-09-21 | PDF 270.8 KB |
| BL-SZ2551124-ASC System Check | RF Exposure Info | 2025-09-21 | PDF 138.4 KB |
| BL-SZ2551124-ATD Test Log | RF Exposure Info | 2025-09-21 | PDF 139.6 KB |
| Calibration report | RF Exposure Info | 2025-09-21 | PDF 3.7 MB |
| Block Diagram Metadata only | Block Diagram | PDF 337.1 KB | |
| Schematics Metadata only | Schematics | PDF 1.4 MB | |
| Operational Description Metadata only | Operational Description | PDF 65.5 KB | |
| Tune-up Procedure Metadata only | Parts List/Tune Up Info | PDF 65.8 KB |
Application Information
| Application ID | NolMuxw6o+fP83mZvT1CEg== |
|---|---|
| Final Action Date | 2025-09-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0030725451 |
| Model | B175 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Headphone |
| Responsible Party | Jathan Liu, jathan.liu@nothing.tech |
| Technical Contact | Xuewen Wu, Shenzhen BALUN Technology Co., Ltd, cbproject@baluntek.com |
| Non-Technical Contact | Tiffany Zhang, Shenzhen BALUN Technology Co., Ltd, cbproject@baluntek.com |
| Test Firm | Hanson Lin, Shenzhen BALUN Technology Co., Ltd., Hanson.Lin@baluntek.com |
| TCB Email | dl_radio-certification@kiwa.com |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| NolMuxw6o+fP83mZvT1CEg== | 2025-09-21 | Original Equipment |
| 7nX0X0IVs88U9MCcwUA0ug== | 2025-09-21 | Original Equipment |
| 3NGUxUQ/XweXorix2fuFgg== | 2025-09-21 | Original Equipment |
Equipment Authorization
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. |