| DESIGN AND DIMENSIONS | Sony MDR RF820RK | - |
|---|
| Product Type | Headphones - wireless | - |
|---|---|---|
| Weight | 270 g | - |
| Recommended Use | Home audio | - |
| Bluetooth Range (Operating Distance) | 100 m | - |
| SOUND QUALITY | Sony MDR RF820RK | - |
|---|
| Headphones Form Factor | Full size | - |
|---|---|---|
| Headphones Technology | Dynamic | - |
| Connectivity Technology | Wireless | - |
| Sound Output Mode | Stereo | - |
| Frequency Response | 20 - 20000 Hz | - |
| Diaphragm | PET - 30 mm | - |
| Magnet Material | Ferrite | - |
| REMOTE CONTROL | Sony MDR RF820RK | - |
|---|
| Controls | Mute, volume, on/off | - |
|---|
| BATTERY AND CHARGING | Sony MDR RF820RK | - |
|---|
| Battery Type | 2 x battery - AAA type - rechargeable - Nickel Metal Hydride | - |
|---|---|---|
| Battery Life | 18 hour(s) | - |
| Power Device | Power adapter + battery charger - external | - |
| Included Qty | 2 | - |
| WIRELESS LINK | Sony MDR RF820RK | - |
|---|
| Transmission Range | 100 m | - |
|---|---|---|
| Radio Channel Qty | 3 | - |
| Radio Frequency Range | 863.5 - 864.5MHz | - |
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