The SH305 is the first headset with a favourite number button. With several attachment options, the headset is comfortable to use with or without an ear hook, and can be clipped to your clothes or attached to your phone. It is one of the smallest headsets in the world and weighs only just 11 grams. The SH305 is part of the SH range which includes the SH310 and SH315. It is compatible with all Bluetooth® phones.