Bluetooth Car Kit, Lantoo Mini Bluetooth V4.1 Audio Music Receiver Portable Hands-Free for Car with 3.5mm Aux Input Jack,Built-in Microphone Support iphone,ipad and Other Android Smartphones Bluetooth V4.1 Technology with 3.5mm Aux Cable,provides the stable audio output and superior sounds quality.It works with iPhone, Samsung, HTC, LG and other Bluetooth enabled music player Seamlessly stream music from any Bluetooth (A2DP) capable device; supports aptX for CD quality audio, wireless sound transmission with zero delay time Instant solutions to turn car stereo system into bluetooth wireless environment for hand-free calls on the road and access to the music on mobile devices Built-in microphone,hands-free car kit designed for answering and receiving calls with Bluetooth smartphones Dual Connection, Connect two bluetooth devices at the same time and it won't miss any call