EH0246B Features 2.4GHz wireless connection， powerful anti-interference 10±2 meter operating range Adopts imported gyro sensor Low power consumption Equipped with an LED indicator to indicate battery information High sensitivity up to 1 degree Features re-connection function after disconnection General Specs Brand & Model imove  Color Black Interface USB Type 2.4GHz wireless mouse & keyboard Tracking Method 2.4GHz wireless Wireless range 10±2 meters 360° Compatibility PC multi-media player， TV box & smart TV System Required Windows98/Me/NT/2000/XP/VISTA Product Details (without package and accessories) Dimensions 200 x 57 x 25mm Weight 144 g Package Details Weight: 148.73 g Size: 23.5*7.00*3.5 cm Package Includes * imove 2.4GHz Wireless Air Mouse & Keyboard