EH0260B Features 2.4GHz wireless technology Integrated keyboard， mouse and switch key Suitable for use with computers， smart TV or Android TV boxes 80-key layout Russian operation General Specs Wireless Type 2.4GHz Key Number 80 Operating Range Up to 10 meters Power Supply  DC 3.7v Battery 300mA lithium-ion battery Language Russian Dimensions 12.3 x 5.4 x 1.2 cm Package Details Weight: 148.73 g Size: 23.00*12.5*4.00 cm Package Includes * 2.4GHz Wireless Air Mouse & Keyboard (Russian)