Smof Bluetooth Car Adapter, Aux Bluetooth Adapter for Car with Dual Port USB Charger & Ground Loop Noise Isolator, Wireless Audio Receiver with 3.5mm Aux Port, Hands-Free Calls, Dual Connection

Hands-free callThe built-in microphone of the Bluetooth adapter allows you to make hands-free calls while driving. The voice activation function can free your hands to ensure safe driving and easy travel.
Wireless musicYou can connect to non-Bluetooth car audio systems, home audio, old-fashioned speakers and wired headphones through the 3.5 mm AUX equipped with the bluetooth audio adapter to enjoy wireless music at any time, and re-awaken the use of non-Bluetooth devices.
Noise isolatorNormally, the sound quality is very good. If you encounter background noise, just plug the product' s audio cable into one port of the isolator, and then connect the other port of the isolator to your car AUX input To get high-definition sound.
Dual-port USB car chargerThe car bluetooth receiver comes with a dual-port USB car charger, which is convenient for you to charge mobile phones, tablets, MP3 and other devices at any time.
Dual connectionThe car Bluetooth adapter can be connected to two Bluetooth devices at the same time, which is convenient for you to easily switch and play your favorite music on the two smart devices, reducing the tedious operation of disconnecting and reconnecting.