Specifications: * no installation need * use at office, car, home,... * very easy use * call identifier, ID * headphones including * parameter of frequency:24ghz spectrum * LCD * rechargable battery of li - ion of 3.6v 1100mah * 10 hours autonomy and more than 200 in standby * charger for network and car * portable or with car clip * sound technology dps * voice identifier * fixation system for the car sun visor * weight: 129grs; dimensions: 108 x 57 x 31mm * voltage:[...]