| DESIGN AND DIMENSIONS | Sony MDR RF855RK | - |
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| Product Type | Headphones - wireless | - |
|---|---|---|
| Height | 9.4 cm | - |
| Width | 16.6 cm | - |
| Depth | 12.6 cm | - |
| Weight | 285 g | - |
| Dimensions & Weight Details | Headphones: 285 g Transmitter: 16.6 cm x 12.6 cm x 9.4 cm / 300 g |
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| Recommended Use | Home audio | - |
| Bluetooth Range (Operating Distance) | 100 m | - |
| SOUND QUALITY | Sony MDR RF855RK | - |
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| Headphones Form Factor | Full size | - |
|---|---|---|
| Headphones Technology | Dynamic | - |
| Connectivity Technology | Wireless | - |
| Sound Output Mode | Stereo | - |
| Frequency Response | 10 - 22000 Hz | - |
| Diaphragm | 40 mm | - |
| Magnet Material | Neodymium | - |
| REMOTE CONTROL | Sony MDR RF855RK | - |
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| Controls | Volume | - |
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| CABLE | Sony MDR RF855RK | - |
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| Cable Type | Headphones cable - 1 m | - |
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| BATTERY AND CHARGING | Sony MDR RF855RK | - |
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| Battery Type | Battery rechargeable - Nickel Metal Hydride | - |
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| Battery Capacity | 550 mAh | - |
| Battery Life | 18 hour(s) | - |
| Power Device | Power adapter - external | - |
| Charging Time | 7 hour(s) | - |
| WIRELESS LINK | Sony MDR RF855RK | - |
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| Transmission Range | 100 m | - |
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| CONNECTIONS | Sony MDR RF855RK | - |
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| Connector Type | Headphones (mini-phone stereo 3.5 mm) Audio line-in (RCA x 2) |
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| OTHERS | Sony MDR RF855RK | - |
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| Included Accessories | Transmitter unit | - |
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