Sony MDR-RF840RK
- Transmission range up to 100m allowing the freedom to move about at your leisure.
- 40mm driver units for deep bass response.
- Hassle-free recharging by placing the headphones on the dock (headphone charged via electromagnetic induction).
- Automatic On/Off for headphones making your batteries last longer.
- Rechargeable Battery will keep the music going.
- Battery playback time up to 15 hrs with rechargeable batteries or 28 hrs with Sony Alkaline batteries.
- Rotary Volume Control on Headphones.
- 40mm driver units for deep bass response.
- Hassle-free recharging by placing the headphones on the dock (headphone charged via electromagnetic induction).
- Automatic On/Off for headphones making your batteries last longer.
- Rechargeable Battery will keep the music going.
- Battery playback time up to 15 hrs with rechargeable batteries or 28 hrs with Sony Alkaline batteries.
- Rotary Volume Control on Headphones.
Headphones |
|
| Ear coupling | circu-maural |
| Headphone frequency | 20 - 20000 Hz |
| Driver unit | 40 mm |
| Magnet type | ferrite |
Connectivity |
|
| Connectivity technology | Wireless |
| Wireless technology | RF |
| Wireless range | 100 m |
Colour |
|
| Colour of product | Black |
Weight & dimensions |
|
| Dimensions (WxDxH) | 112 x 245 x 310 mm |
| Weight | 300 g |
Energy management |
|
| Battery life (max) | 28 h |
| Battery technology | Nickel–Metal Hydride (NiMH) |
| Number of batteries supported | 2 |
| Battery type | AAA |
Technical details |
|
| Source data-sheet | Icecat.biz |


