About Besign BK03 Bluetooth 4.1 Car Kit for Handsfree Talking and Music Streaming, Wireless Audio Receiver with Dual Port USB Car Charger and Ground Loop Noise Isolator for Car with 3.5mm AUX Input Port
Bluetooth 4.1 technology gives you a lossless audio transmission and crystal-clear phone calls and music. The ground loop noise isolator helps decrease the buzzing noise in some cars while playing music or hands-free calling. You can connect with two smartphones simultaneously with the multi-point support of this Bluetooth AUX adapter Siri or Voice Command One Button to activate the voice command function on Andriod or iOS devices. If your smartphone is in the call or dialing mode only, the difference is still there - the impulse current activation will be failed if the twice power supply in a short time. For iPhone, please receive the phone call via this car receiver button.