A4Tech 47120 FSTYLER FM12S Black

Scroll gives you the ability to scroll both horizontally and vertically, and the extremely quiet «click» guarantees quiet mouse operation. Automatic 4-level power saver (goes into sleep mode after 0.2s idle). Technical data Frequency (Hz): 125-500 Working range: 10-15m Technology: 2.4GHz Number of rechargeable batteries: 1 (1xAA alkaline battery) Number of buttons: 3 CPI/DPI resolution: 1200 Sensor technology: Optical Profiling: Symmetrical Compatible with systems: Windows XP/Vista/7/8/8.1/10