The Amplicomms HS1200 are over the ear amplified wireless digital headphones that are compatible with your ipod, iphone, CD, MP3 player, Hi-fi and TV. The Amplicomms HS1200 amplified digital headphones are designed to eliminate the issue of having to turn up the volume to such a high level that is does not interfere with others who may or may not want to listen. With an independent volume control for each ear and adjustable tone settings you will never miss that witty comment or important plot dialogue on your favourite show again and it also allows others to enjoy the same programme at their own comfortable volume.Further features of the Amplicomms HS1200 amplified wireless headphones include: 2.4 GHz Wireless stereo digital headphones, completely wireless easy plug and play connection, ultra clear stereo/mono sound, 2.4 GHz digital UHF transmission secured failure free operation, 3 Preset sound effects (extra treble, extra bass and a mix with extra treble and bass) for personal selection, built-in battery charger in the transmitter, high quality soft padding provides comfort and reduces surrounding noise, strong durable construction for assured long term use, range upto 30 metres in free field open site conditions and charging time for empty batteries is approximately (5 hours)