Quick overview from the supplier:
Wireless Mouse A4Tech FG20, 1200-2000 dpi, 4 buttons, 85g, Ambidextrous, 4-Way Wheel, 2xAAA, 2.4Ghz, Ash Blue
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Model FG20 / FG20S
Type Wireless
Connection 2.4G Hz
Operating Range 10-15m
Ergonomic Design Symmetric
Sensor Optical
Resolution 1200/1600/2000 DPI
Report Rate 125Hz
Buttons No. 4
Receiver Nano USB Receiver
Dimension 113 x 57 x 26 mm
Weight 85 g (w/ battery)
Battery 2AAA Alkaline Batteries
System Requirements Windows XP / Vista / 7 / 8 / 8.1 / 10
