Frog-tech Drive Safe Bluetooth Handsfree Car Kit. The Original Multipoint Bluetooth Speakerphone. Supports: Apple iPhone, Blackberry, HTC, Samsung, Galaxy S3, Galaxy S2, Sony, Nokia and any Bluetooth enabled device. Safer Driving. Uses low power consumption and DSP (Digital Signal Processing) for echo cancellation & noise suppression providing pure clear sound. Talk time up to 16 hrs. Standby time up to 45 days. Can be charged via laptop/pc or in car. Automatic switch off function after disconnection with phone saving power + microfiber cloth Drive safely Handsfree Kit. Makes mobile communication on the move straightforward and safe Includes speakerphone, USB car charger, USB cable, Sun visor clip and User Manual DSP (Digital Signal Processing) for echo cancellation and noise suppression providing pure clear and full duplex sound Talk time up to 16 hrs. Standby time up to 45 days. Rechargeable Lithium battery. Can be charged via laptop/pc or in car Listen music through the bluetooth car kit ,Stereo !