In-Ear Wireless Headphones. Features: Wireless music transmission from TV and hifi systems in digital transmission quality, volume separately adjustable for the left and right ear, therefore ideal as TV headphones for people with reduced hearing ability on one ear. Easy to set up and use thanks to the automatic connection and the clearly arranged controls. Wireless music transfer over a range of up to 20 m. The external microphone allows you to hear other noises in the room while watching TV (e.g. ringing of the doorbell or telephone). Run-time with medium volume: 8 hours. Frequency Range: 30 Hz - 15 kHz. Colour: Black.