Koss | KSC21k | Headphones | Wired | In-ear | Black
| Producer product name | KSC21k |
| Frequency range | 50-18.000 Hz |
| Palette Qty | 7089 pc(s) |
| Impedance | 36 O |
| Plastic (No PET) | 9 g |
| Paper/Pasteboard | 12 g |
| Gross weight | 0.041 kg |
| Gross width (mm) | 65.00 mm |
| Wearing style | In-ear |
| Headphones connection type | Wired |
| Wireless | No |
| Microphone | No |
| Gross depth (mm) | 25.00 mm |
| Producer product family | Headphones |
| Noise canceling | No |
| Producer | Koss |
| Gross height (mm) | 150.00 mm |
| Net weight | 0.02 kg |
| Tare weight (kg) | 0.021 kg |
| USB charging port | No |
| Wireless connection | No |
| Connector type | 3.5 mm |
| Volume (m3) | 0.00 m³ |
| Colour of product | Black |
| WEE classification | CL109:5:2017-04-01 |
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