Loss Less transmission : CSR8635 Chipset provides loss less transmission with high quality audio up to 30ft.Enjoy higher quality stereo audio sound without any audio flaws like audio delay with CVC6.0 noise cancelling. Handsfree Controlling : handsfree answer/reject/end an incoming phone calls, support to redial the last phone number while on the go, with built-in microphone, super clear and flow conversation effect, enjoy a safe drive. Long battery life :- With 170mAh built-in polymer battery, it works up to 12 hours. Full charge within 1.5 hours and Extra long standby time up to 120 Hours. Multipoint Connection: connect two mobile phones simultaneously, can play music from either of the two devices that are actively connected. Enjoy an easy and quick switch between two devices actively connected to the Bluetooth adapter. Auto Reconnect : It will automatically reconnect the last paired mobile phone.It will disconnect if the distance is over 10 meters away from your cell phone, and will automatically reconnect if the distance is within 10 meters.