Bluetooth Speaker, Hi-tec Led Light Cube Portable Bluetooth Speaker with Fm Radio 30, Build-in Microphone, Work for Iphone Ipad, Ipod Samsung Tablet Laptop Mp3 Cd Player (Black). 3.5 audio connectivity ; built-in lithium battery; Speaker : 1 * 3W, diaphragm : 1pc Bluetooth, built-in microphone, enabling hands-free cell phone voice calls. Bluetooth transmission distance is up to 10 meters, it can be connected at every corner of your home or office. Built-in high capacity lithium battery…