40cm Micro USB 2.0 to 3.5mm AUX Car Lead Jack USB Audio Cable for Mobile Phone
Connect your device to 3.5mm AUX audio input socket on car stereo, Hi-Fi, amplifier. 1x micro usb 2.0 to 3.5 mm aux cable. For devices with micro usb interface. You need to set the phone at "Settings"--"Accessory" and open "Dock Sound".