Golzer Bluetooth Car Kit Audio AUX Receiver Hands-Free Calling + Dual 2.1A USB Charger, Bluetooth 4.0, aptX, Built-in Microphone, Magnetic Base Hands-Free car kit designed for answering and receiving calls with any Bluetooth smartphone - iPhone, Android, Blackberry etc Seamlessly stream music from any Bluetooth (A2DP) capable device; supports aptX for CD quality audio Built-in microphone and easy to use music controls Provides audio through your 3.5mm input in Car Stereo when playing music and answering phone calls Requires 3.5mm audio input in the car stereo