... 8 hours display 3. Connect with any mobile with bluetooth 4. good sound for your call and mucsic Bluetooth version: V2.1+EDR ... audio input, audio input interface of 3.5mm universal, easy to connect mobile phone, computer, PS3, PSP and other audio equipment,A ... calls, answer Built in microphone to bring you the clear wireless calling experience, Support for Bluetooth mobile phone amount of mutual ...