Connects to aux audio input of vehicle or home stereo to provide Bluetooth(R) streaming; Built-in button provides wireless control of paired Bluetooth(R) device; Functions include play, pause & skip tracks; When paired smartphone leaves range, device goes into power-saving, battery-extending sleep mode then wakes when center button is pressed; Compatible with iPad/(R)iPhone(R)/iPod(R), Android(TM) or Windows(R) phones & tablets; Compatible with standard 3.5mm aux audio inputs ; Includes micro USB charging port & charging cable;