Sony MDR-RF811RK

Specifications
Sony RF811RK Wireless Headphones
General DataDriver unit
Microphone
Magnet
Full Type
Frequency
Beat control
Usage time
Impedance
Cord type
Charge time
Plug
Weight
Color  
40 mm dynamic – Dome type



20–20,000Hz
Headband, Over-Ear

Power On: 32ohms (Wired);Power Off: 16ohms (Wired)

Approx. 16 Hours (Full charge)
Stereo mini (on supplied transmitter)
270 g
Black
Features

Up to 13 hours of battery life
Up to 100m wireless range gives you freedom to roam
Self-adjusting headband for listening comfort
40mm neodymium drivers for powerful, balanced sound
20–20,000Hz frequency range
Image: http://www.currys.co.uk/gbuk/audio-and-headphones/headphones/headphones/sony-mdr-rf811rk-wireless-headphones-black-22095633-pdt.html

Archive