TWS250I Bluetooth True Wireless Earbuds... - FCC ID L76-TWS250I
FCC ID L76-TWS250I
Declaration Letter for Model Differences
Bluetooth True Wireless Earbuds
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Document Details
| FCC ID | L76-TWS250I |
|---|---|
| Document ID | 5169967 |
| Document Type | Cover Letter(s) |
| Description | Declaration Letter for Model Differences |
| Document Title | Template |
| Applicant | Koss Corporation |
| Equipment Class | Bluetooth True Wireless Earbuds |
| Product Code | TWS250I |
| Application ID | vOHzY881bcxGlcAfbWTi5w== |
| Application Purpose | Original Equipment |
| Application Date | 2021-04-01 |
| Frequency Range | 2402-2480 MHz |
| FRN | 0014837306 |
| Test Firm | TUV SUD Cert & Testing (China) Co., Ltd. |
| Certified By | Benton Geirner |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| Short-Term Confidentiality Date | 09/18/2021 |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | No |
| Composite Part | No |
| Submitted | 2021-03-22 |
| Available | 2021-04-01 |
| Created | 2021-03-16 |
| Modified | 2021-03-22 |
| Pages | 1 |
| File Type | Adobe Acrobat PDF |
| File Size | 115731 |
| File SHA-256 | 690d3c22581ddc3be533d376e997fc183318277942a2cea2c2d269ccc600d59e |
| PDF Metadata Author | Welz |
| PDF Metadata Producer | Microsoft® Word for Office 365 Welz |
| FCC.gov Sources | FCC.gov 5169967 |
Related FCC Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Internal Photos | Users Manual | 2021-09-18 | PDF 1.7 MB |
| User Manual of TWS250i | Users Manual | 2021-09-18 | PDF 5.2 MB |
| Internal Photos | Internal Photos | 2021-09-18 | PDF 1.7 MB |
| External Photos | External Photos | 2021-09-18 | PDF 993.7 KB |
| Label and location of HKTWS158 | ID Label/Location Info | 2021-04-01 | PDF 627.9 KB |
| Label and location of TWS250i | ID Label/Location Info | 2021-04-01 | PDF 590 KB |
| Test Setup Photos | Test Setup Photos | 2021-09-18 | PDF 282.3 KB |
| Test Report | Test Report | 2021-04-01 | PDF 4.5 MB |
| Declaration Letter for Model Differences | Cover Letter(s) | 2021-04-01 | PDF 113 KB |
| FCC Confidentiality Letter | Cover Letter(s) | 2021-04-01 | PDF 69.2 KB |
| Product Identical Declaration Letter | Cover Letter(s) | 2021-04-01 | PDF 55.7 KB |
| RF Exposure Info | RF Exposure Info | 2021-04-01 | PDF 82.7 KB |
| Block Diagram Metadata only | Block Diagram | PDF 11.8 KB | |
| PCB Layout Part 1 Metadata only | Schematics | PDF 249.1 KB | |
| PCB Layout Part 2 Metadata only | Schematics | PDF 249.1 KB | |
| Schematic Metadata only | Schematics | PDF 28.9 KB | |
| Operational Description Metadata only | Operational Description | PDF 173.1 KB | |
| Parts List Part 1 Metadata only | Parts List/Tune Up Info | PDF 97.3 KB | |
| Parts List Part 2 Metadata only | Parts List/Tune Up Info | PDF 97.8 KB |