1.2.4G Wireless, USB receiver; 2.Non-directional remote controll; 3.Air Mouse, Anti-shake algorithm; 4.Motion Sense ... Power on/off; 2.4G Wireless, USB receiver; Non-directional remote controll; Air Mouse, Anti-shake algorithm; Motion Sense Games; OS ... move to play. Point, throw, swing, slash, turn, shake or twist, it's all possible with the R2 remote. R2 means fun ...