BLUETOOTH V4.1 and Long Working time: The latest Bluetooth 4.1+EDR technology provides lower power consumption and wider compatibility. When you are driving, you could enjoy your smart phone music or handsfree calling up to 15 hours for a single full charge.
CONNECT To 2 PHONES: With the multipoint technology, the Besign BK02 Bluetooth Car Kit can connect to 2 devices at the same time.
Green and Red Button Design: Special green and red button design for your easy management of your phone calls. Short Press Red button, you could reject or end the call. Short Press the Green button, you could receive the call or pause the music.