ersatile connectivity – Bluetooth, Aux-in, FM radio, TF card and USB MP3 playback. Excellent audio quality in a tiny form factor. Premium metallic rubber finish. Long playtime up to 3 hours. In-built microphone allows you to take phone calls on the speaker. Charge time of around 3 hours. Multi-function micro 5P USB cable for charging, aux-In and acts as FM antenna.