800-1600 DPI and a connectivity of Bluetooth 4.0. It can get upto 10 Million Clicks with Auto Sleep Mode. 10M Operating Distance with an Operating current of 3V 0.6mW. Keys structure of mouse is Scissor type. Keys Lifespan is 10 Million times. Number of buttons 4. Keyboard size: 28.6 x 12.3 x 2.1 cm.