FCC ID 2BNTO-B21S
Bone Conduction Sports Bluetooth Headset
by Shenzhen Kai Chuang Future Technology Co., LTD
Grantee Code: 2BNTO Product Code: B21S
Latest application date: 2025-05-30
FCC ID Device Details
| FCC ID | 2BNTO-B21S |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BNTO |
| Product Code | B21S |
| Applicant Business | Shenzhen Kai Chuang Future Technology Co., LTD 🇨🇳 |
| Equipment Class | Bone Conduction Sports Bluetooth Headset |
| Test Firm | Dongguan DN Testing Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2A6MS-B21S Grant Date: 07/31/2024 | 2025-05-30 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-05-30 | PDF 5.1 MB |
| External Photos | External Photos | 2025-05-30 | PDF 761.6 KB |
| Label and location | ID Label/Location Info | 2025-05-30 | PDF 42.9 KB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-05-30 | PDF 129.4 KB |
| USA-LocalRepLetter_V1.1 - 2BNTO-B21S | Attestation Statements | 2025-05-30 | PDF 85.5 KB |
| Authorization Letter for FCC ID | Cover Letter(s) | 2025-05-30 | PDF 118.2 KB |
| Letter of Change FCC ID | Cover Letter(s) | 2025-05-30 | PDF 139.4 KB |
| Product Equality Declaration | Cover Letter(s) | 2025-05-30 | PDF 100.1 KB |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 76.2 KB |
Application Information
| Application ID | LI+tebtT0/QxYQbhj0d71A== |
|---|---|
| Final Action Date | 2025-05-30 |
| Application Purpose | Change in identification of presently authorized equipment. Original FCC ID: 2A6MS-B21S Grant Date: 07/31/2024 |
| Applicant FRN | 0036690915 |
| Model | B21S |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Bone Conduction Sports Bluetooth Headset |
| Responsible Party | Xiao Xia Deng, 906098897@qq.com  , 13538214502 |
| Test Firm | Joise Yang, Dongguan DN Testing Co., Ltd., Joise.yang@dn-testing.com  , +86-0769-8808 7383 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output Power listed is peak conducted. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| LI+tebtT0/QxYQbhj0d71A== | 2025-05-30 | Change in identification of presently authorized equipment. Original FCC ID: 2A6MS-B21S Grant Date: 07/31/2024 |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0025000 |
Grants
TCB Grant - Application LI+tebtT0/QxYQbhj0d71A==
| 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: 05/30/2025 Application Dated: 05/30/2025 |
| Shenzhen Kai Chuang Future Technology Co., LTD |
| Xinghe WORLD Twin Towers, No. 8, Yaxing Road, |
| Nankeng Community, Bantian Street, Longgang |
| District, Shenzhen. 3102, 31st floor, West Tower, China |
| Attention: Xiao Xia Deng , |
| 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: | 2BNTO-B21S |
| Name of Grantee: | Shenzhen Kai Chuang Future Technology Co., LTD |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Bone Conduction Sports Bluetooth Headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0025 |
| Output Power listed is peak conducted. |