Twist &amp Shout is a Bluetooth V3.0 speaker with stand function. Twist the upper part of the speaker and turn it 180 degrees to create the angle and platform to stick your device to select your music or show video. The speaker supports up to 10 meters wireless distance. You can also use it for handsfee calling. Including a 400 mAh Li-ion battery to play up to 5 hours. Input and output 5V/1A.