EASY OPERATION: Turn on the bluetooth car aux adapter,change volume,play/pause/skip music,answer calls,redial the last called number with ease, can answer phone calls or control music on the receiver, easy to control. | LONGER BATTERY LIFE: Bluetooth receiver can reach to 5-7 hours working time but only using the included USB charging cable to charge, which only need 1 hours to fully charge, then enjoy wireless music for long time. | ENJOY WIRELESS MUSIC:Bluetooth speaker with clip design,easy to carry, get rid of the tangle cables,it is convenience to turn your car speaker into bluetooth speaker hands-free calles/GPS/Music/Driving sfatety. | DUAL PAIRING: Can be connected two bluetooth devices at the time and the bluetooth range up to 30 feet in open space without obstacles,compatible with most smartphones and bluetooth devices, perfect for home or vehicle audio systems. | WIDE COMPATIBILITY: Bluetooth car adapter can be compatible with most devices on the marke that bluetooth enabled devices such as Samsung, HTC, Blackberry, Sony, Tablet, and other Andriod devices.