FCC ID 2BLKA-S1
Bone Conduction Bluetooth Sleep Speaker
by Huizhou Tantu Technology Co., Ltd.
Grantee Code: 2BLKA Product Code: S1
Latest application date: 2026-06-02
FCC ID Device Details
| FCC ID | 2BLKA-S1 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BLKA |
| Product Code | S1 |
| Applicant Business | Huizhou Tantu Technology Co., Ltd. 🇨🇳 |
| Related Domains | |
| Equipment Class | Bone Conduction Bluetooth Sleep Speaker |
| Test Firm | Guangdong Asia Hongke Test Technology Limited |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-06-02 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2026-06-02 | PDF 3.5 MB |
| Internal photo | Internal Photos | 2026-06-02 | PDF 529.7 KB |
| External photo | External Photos | 2026-06-02 | PDF 439 KB |
| Label and location | ID Label/Location Info | 2026-06-02 | PDF 206.7 KB |
| Test Setup Photos | Test Setup Photos | 2026-06-02 | PDF 218.1 KB |
| AiTSZ-260513004FW1_FCC Test Report_BT BREDR | Test Report | 2026-06-02 | PDF 2.8 MB |
| Antenna specification | Test Report | 2026-06-02 | PDF 1.1 MB |
| Appendix RF test data for BT | Test Report | 2026-06-02 | PDF 6 MB |
| US agent_2BLKA-S1 | Attestation Statements | 2026-06-02 | PDF 525.7 KB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2026-06-02 | PDF 122.4 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2026-06-02 | PDF 81.4 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2026-06-02 | PDF 101.9 KB |
| AiTSZ-260513004FW2_FCC RF EXPOSURE 20cm | RF Exposure Info | 2026-06-02 | PDF 421.3 KB |
| Block diagram Metadata only | Block Diagram | PDF 278.9 KB | |
| Schematic Metadata only | Schematics | PDF 313.5 KB | |
| Operation Description Metadata only | Operational Description | PDF 599.1 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 628.3 KB |
Application Information
| Application ID | 8vfGi3BMwDFOPQfPZ2zekw== |
|---|---|
| Final Action Date | 2026-06-02 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0036086676 |
| Model | S1 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Bone Conduction Bluetooth Sleep Speaker |
| Responsible Party | Zeng Dan, kathy@ccti-lab.com |
| Non-Technical Contact | Huiying Fan, GLOCERTS TECHNOLOGY INC, huiying.fan@glocerts.com |
| Test Firm | Coin Tang, Guangdong Asia Hongke Test Technology Limited, coin.tang@aitek.org.cn |
| 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 |
| Modular Equipment | Does not apply |
| Composite Device | No |
| 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 |
|---|---|---|
| 8vfGi3BMwDFOPQfPZ2zekw== | 2026-06-02 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0022 | 15C |
Grants
TCB Grant - Application 8vfGi3BMwDFOPQfPZ2zekw==
| 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: 06/02/2026 Application Dated: 06/02/2026 |
| Huizhou Tantu Technology Co., Ltd. |
| Room 01, 13/F, Building C, Yugeishan Garden |
| No.59, South Goose Ridge Road, |
| Huizhou City, Guangdong Province, China |
| Attention: Zeng Dan , |
| 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: | 2BLKA-S1 |
| Name of Grantee: | Huizhou Tantu Technology Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Bone Conduction Bluetooth Sleep Speaker |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0022 |
| Output Power listed is peak conducted. |