Air Mouse C120 - Wireless air mouse - QWERTY Keyboard with Gyroscope - Anti-shake algorithm to make sure the mouse cursor stable and smooth - Working under low voltage: 3.3-4.5V - Elegant ID design, with air mouse keyboard on one side, remote-control on the other side; - C120 is a remote controller with the multi-function of Air Mouse, keyboard, Multimedia Android Control and Motion Sense Support.