Bluetooth handsfree kit bluetooth version bluetooth 40 talk time 10 h call functions multipoint answerend button music playback time voice dialing dimensions lxwxh 94 x 54 x 39 cm number of controllable devices 2 call response button transmission mode duplex full duplex series parrot minikit power supply li ion assembly type sun shield audio functions voice control noise reduction echo suppression hd voice voice menu omnidirectional microphone 3w sp