1. Easy and simple to upgrade your car stereo Bluetooth handsfree wireless audio2. Play your smartphone, iPad, iPod, and other devices with Bluetooth products to music on, you can make your way through the wireless from your car stereo to play back synchronized to music on your smart device3. You can in the car within the scope of smart devices cozy browse your music on the list to select their own favorite music play / pause; previous song; next song, music selection, handsfree calls, etc.4. Up to 90dB SNR and low audio distortion of 0.05%, fully satisfy your demand for high quality audio5. Support Bluetooth handsfree function, you can listen to music while the bobble any phone6.Supports all with AUX input of he car stereo Supports up to five phone connection, and connect to the last one priority paired phone