Kissmart&reg; Mini Bluetooth 3.0 Music Receiver Adapter with Hand-free Calling and 3.5mm Stereo Output for Apple iPhone, iPod, Samsung Galaxy, Blackberry, HTC, LG, Sony,..., Android iOS Smartphones, Tablets, MP3 Player Share your music wirelessly from mobile phone, Notebook, PC, tablet PC, for iphone and other Bluetooth device when connect with Aux speaker Built-in microphone with Bluetooth hands free function, 3.5mm audio out, Can answer calls, It will redial after press the button twice Operating range 10m-20m (Depends on environment) Built-in high capacity lithium battery 100mAh, Micro USB charging, Supper low power charge standby Supports Bluetooth V3.0+EDR and Bluetooth 2.1, Bluetooth 2.0, 1.2, and 1.1 back ward compatibility