AOC USB Wireless mouse { 1600 DPI / 2.4 GHz wireless / ambidextrous design / micro receiver adapter } MS320 Specifications: Model: MS320 Color: Black Connection Type: Wireless Operating Distance: 10 (m)/32.81 ft Interface: USB Wireless Transmission Frequency: 2.4 GHz Operation: Optical Photoelectric Resolution: 1600DPI Roller Direction: Two-way Number of Buttons: 3 Battery: 1 X AA Battery Product Size: 110 X 61 X 34 mm/4.33 X 2.40 X 1.34” Product Weight: 60 g Package Included: 1 X Wireless Mouse 1 X USB Receiver 1 X AA BATTERY For more details about ( AOC MS320 USB Wireless mouse 1600 DPI 2.4 GHz wireless ambidextrous design micro receiver adapter ) : Click here For more AOC  products : Click here For more mice : Click here