Car BT audio receiver, wireless broadcast music through stereo. Suitable for ordinary mobile phone with BT, 3G mobile phone, i-phone, tablets, etc. Designed with a 3.5mm plug, the BT receiver can take you to music if the speaker has a 3.5mmaux port and the BT function is supported by phones, tablets and other devices.Features:3.5mm stereo input interface.Sleep patterns, more energy efficient.It can be used with home audio/speaker, car stereo, earphone, etc.Double click the button, one key hands-free, release both hands, to ensure driving safety.Through BT technology, you can receive music on mobile phones, tablets and other devices with BT function.You can enjoy the car music, call solutions, using a smartphone through the car stereo call and enjoy music.With one click, you can talk hands-free, enjoy music stored on your phone and even play Internet radio.The product comes with an embedded echo cancellation microphone that allows easy switching between music and the phone with a single button.