Logitech Wireless Mouse M720 TRIATHLON - Multi-Device Wireless Mouse with Hyper-fast scrolling Meet the high-precision mouse thats built for ultimate comfort, endurance, and versatility. With extra controls, a dual-mode scrolling, and adjustable dpi tracking, M720 gives you the power to tackle any task DPI (Min Max): 1000 Number of Buttons: 8 Battery life: 24 months Batteries Details: 1 x AA (included) Connection Type: 2.4 GHz wireless connection and Bluetooth Low Energy Technology Više informacija na linku