Keyboard Layout 2.5 zone layout Keycap Amount US English (103P) Color Black Battery Life Up to 12 months Connection Type 2.4 GHz Wireless via Nano USB Weight Mouse - 60 g (0.13 lbs), Keyboard - 582 g (1.28 lbs) Mice Button 3 (left click, right click, scroll click) Button Life Up to 10 million clicks DPI 1200 DPI 1 Year warranty