MINY – COMPACT WIRELESS MOUSECOMPACT SIZE AND ERGONOMIC SHAPE FOR EXCELLENT USER COMFORT – ULTRA MINI 2.4 GHZ USB RECEIVER – 2 BUTTONS + CLICKABLE SCROLL – 1000 DPI DEFINITION – ON / OFF BUTTON TO SAVE BATTERY – AUTOMATIC CONNECTION – PC / MAC / LINUX COMPATIBLE – 1 R3 AAA BATTERY INCLUDED – COLOR. GREY