| Brand | Device Name | Model | Type | Certification Date |
|---|---|---|---|---|
| Shenzhen Kai Chuang Future Technology Co., LTD | Bone Conduction Sports Bluetooth Headset | B21S | FCC ID  |
2025-05-30 |
FCC Application Details
| Equipment | Bone Conduction Sports Bluetooth Headset |
| FRN | 0036690915 |
| Grantee Code | 2BNTO |
| Product Code | -B21S |
| Applicant Business | Shenzhen Kai Chuang Future Technology Co., LTD |
| Business Address | Xinghe WORLD Twin Towers, No. 8, Yaxing Road, Nankeng Community, Bantian Street, Longgang, District, Shenzhen. 3102, 31st floor, West Tower, N/A China |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| TCB Email | [email protected] |
| Applicant | Xiao Xia Deng – |
| Applicant Phone | |
| Applicant Fax | 13538214502 |
| Applicant Email | [email protected] |
| Applicant MailStop | |
| Test Firm | Dongguan DN Testing Co., Ltd. |
| Test Firm Contact | Joise Yang |
| Test Firm Phone | |
| Test Firm Fax | |
| Test Firm Email | [email protected] |
| Certified By | Xiao Xia Deng – Manager |
Further Details May Be Available From: fcc.id/2BNTOB21S or 
fcc.report/FCC-ID/2BNTOB21S
| Description | Exhibit Type | File Type | Display Type | File Size | Submission Date | Date Available |
|---|---|---|---|---|---|---|
 Document 8345735 Mirror: FCCID.io - 8345735 External Photos | External Photos | Adobe Acrobat PDF | 761.55 K | 2025-05-30 | 2025-05-30 | |
 Document 8345734 Mirror: FCCID.io - 8345734 User manual | Users Manual | Adobe Acrobat PDF | 5.11 M | 2025-05-30 | 2025-05-30 | |
 Document 8345733 Mirror: FCCID.io - 8345733 USA-LocalRepLetter_V1.1 - 2BNTO-B21S | Attestation Statements | Adobe Acrobat PDF | 85.46 K | 2025-05-30 | 2025-05-30 | |
 Document 8345731 Mirror: FCCID.io - 8345731 USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | Adobe Acrobat PDF | 129.35 K | 2025-05-30 | 2025-05-30 | |
 Document 8345730 Mirror: FCCID.io - 8345730 Product Equality Declaration | Cover Letter(s) | Adobe Acrobat PDF | 100.12 K | 2025-05-30 | 2025-05-30 | |
 Document 8345729 Mirror: FCCID.io - 8345729 Letter of Change FCC ID | Cover Letter(s) | Adobe Acrobat PDF | 139.4 K | 2025-05-30 | 2025-05-30 | |
 Document 8345728 Mirror: FCCID.io - 8345728 Label and location | ID Label/Location Info | Adobe Acrobat PDF | 42.91 K | 2025-05-30 | 2025-05-30 | |
 Document 8345726 Mirror: FCCID.io - 8345726 Authorization Letter for FCC ID | Cover Letter(s) | Adobe Acrobat PDF | 118.23 K | 2025-05-30 | 2025-05-30 | |
External Photos | Attestation Statements | Adobe Acrobat PDF | 761.55 K | 2025-05-30 | 2025-05-30 | |
USA-DueDigilenceLetter_V0.1 | Operational Description | Adobe Acrobat PDF | 76.18 K | 2025-05-30 |
Related FCC IDs:
- 2BNTO-B21S - Shenzhen Kai Chuang Future Technology Co., LTD Bone Conduction Sports Bluetooth Headset [-B21S]