PolarLander Universal 1 Din 12V in-Dash Car Radio Audio Player Built-in 2 Speaker Stereo FM Support Bluetooth with USB/TF Card Port

Bluetooth Hands-free Function:Built-in Bluetooth function,can connect to Phone,and handsfree calling,support bluetooth music play,more safer when driving car. Note: If the car radio only had one button that lights up, it is the problem that the red and yellow wires are not connected to the 12V power positive at the same time.