FCC ID 2ADZH-S59W
WIRELESS HEADPHONES
by Dongguan Siyoto Electronics Co., Ltd.
Grantee Code: 2ADZH Product Code: S59W
Latest application date: 2025-06-13
FCC ID Device Details
| FCC ID | 2ADZH-S59W |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2ADZH |
| Product Code | S59W |
| Applicant Business | Dongguan Siyoto Electronics Co., Ltd. 🇨🇳 |
| Related Domains |  siyoto.com |
| Equipment Class | WIRELESS HEADPHONES |
| Test Firm | Guangdong Dongdian Testing Service Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-06-13 |
| 2402-2480 MHz | Original Equipment | 2025-06-13 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-12-10 | PDF 3.5 MB |
| Internal photos | Internal Photos | 2025-12-10 | PDF 4.4 MB |
| External photos | External Photos | 2025-12-10 | PDF 2.2 MB |
| Label | ID Label/Location Info | 2025-06-13 | PDF 1,019.4 KB |
| SAR test setup | Test Setup Photos | 2025-12-10 | PDF 260.7 KB |
| Test setup | Test Setup Photos | 2025-12-10 | PDF 856.4 KB |
| Antenna specification | Test Report | 2025-06-13 | PDF 789.2 KB |
| SAR test report part 1 | RF Exposure Info | 2025-06-13 | PDF 597.1 KB |
| SAR test report part 2 | RF Exposure Info | 2025-06-13 | PDF 150.4 KB |
| SAR test report part 3 | RF Exposure Info | 2025-06-13 | PDF 151.9 KB |
| SAR test report part 4 | RF Exposure Info | 2025-06-13 | PDF 4 MB |
| Test report BLE | Test Report | 2025-06-13 | PDF 4.1 MB |
| Test report BT | Test Report | 2025-06-13 | PDF 4.7 MB |
| Covered equipment list attestation | Attestation Statements | 2025-06-13 | PDF 143.2 KB |
| US agent designation attestation | Attestation Statements | 2025-06-13 | PDF 227.5 KB |
| Agent letter | Cover Letter(s) | 2025-06-13 | PDF 115 KB |
| Confidentiality request letter | Cover Letter(s) | 2025-06-13 | PDF 185.3 KB |
| Block Diagram Metadata only | Block Diagram | PDF 397.3 KB | |
| Schematics Metadata only | Schematics | PDF 519.7 KB | |
| Operational Description Metadata only | Operational Description | PDF 136.6 KB | |
| Parts list Metadata only | Parts List/Tune Up Info | PDF 189.9 KB |
Application Information
| Application ID | m+je5JsCJuq0ulUWVdJ01g== |
|---|---|
| Final Action Date | 2025-06-13 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0024214231 |
| Model | S59W |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | WIRELESS HEADPHONES |
| Responsible Party | Jerry Peng, Engineer, dm@siyoto.com , 15024041010 |
| Test Firm | Mr. Jamy Yu, Guangdong Dongdian Testing Service Co., Ltd., jamy@dgddt.com  , +86-0769-89201646 |
| TCB Email | TCB@nemko.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 12/10/2025 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| 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 conducted. The highest reported SAR for stand-alone transmission exposure conditions is < 0.10 W/kg. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| m+je5JsCJuq0ulUWVdJ01g== | 2025-06-13 | Original Equipment |
| OxNiKvTXVmpD93H3NUYWHQ== | 2025-06-13 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0052100 |
| 2402-2480 MHz | 0.00443 |
| 2404-2478 MHz | 0.00448 |
Grants
TCB Grant - Application OxNiKvTXVmpD93H3NUYWHQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 06/13/2025 Application Dated: 06/13/2025 |
| Dongguan Siyoto Electronics Co., Ltd. |
| No.10 North 7th street, Qiaodong road, |
| Guangdong Dongguan Qiaotou town, China |
| Attention: Jerry Peng , Engineer |
| 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: | 2ADZH-S59W |
| Name of Grantee: | Dongguan Siyoto Electronics Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | WIRELESS HEADPHONES |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00443 | |||
| 15C | 2404.0 - 2478.0 | 0.00448 |
| Output power listed is conducted. The highest reported SAR for stand-alone transmission exposure conditions is < 0.10 W/kg. |
TCB Grant - Application m+je5JsCJuq0ulUWVdJ01g==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 06/13/2025 Application Dated: 06/13/2025 |
| Dongguan Siyoto Electronics Co., Ltd. |
| No.10 North 7th street, Qiaodong road, |
| Guangdong Dongguan Qiaotou town, China |
| Attention: Jerry Peng , Engineer |
| 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: | 2ADZH-S59W |
| Name of Grantee: | Dongguan Siyoto Electronics Co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | WIRELESS HEADPHONES |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.00521 |
| Output power listed is conducted. The highest reported SAR for stand-alone transmission exposure conditions is < 0.10 W/kg. |