HAVIT Bluetooth 4.1 Car Kit Transmitter, Hands-Free Wireless Calling Music Receiver, with 3.5mm Aux Cable USB Charger (HV-BT015) Latest bluetooth 4.1 technology - Full-speed transmission and low power consumption. Up to 10 metres range. USB Charging - No batteries required, capable of charging two devices simultaneously via 2.4A Dual USB ports.You can charge your phone, tablet and any other portable device. Broad Compatibility - Can compatible with iPhone, Galaxy, HTC, Sony, Android, Blackberry & Windows smart phone and any other bluetooth enabled devices. Easy Operation - The hands-free car kit provides a simple solution for answering and receiving phone calls and streaming music from your Bluetooth enabled phones while on the going. Providing audio through your 3.5mm input in Car Stereo when playing music and answering phone calls. High Quality Sound - Built-in microphone transmits your voice to your phone. Echo and noise cancellation ensure you non-stop wireless stereo music and clear phone calls.