SKU: G3-330NS Categories: INSTOCK, Mouse, OFFICE MOUSE G3-330NS SPECIFICATIONS Mouse: G3-330N / G3-330NS Report Rate: 125 Hz Sensor: Optical Resolution: 1200 DPI Rating: 1.5 V / 30 mA Buttons No.: 3 Ergonomic Design: Symmetric Size: Small / Middle / Big Hands Receiver Storage: Yes Battery: 1 AA Alkaline Battery Net Weight:83 g (w/ battery) System Requirements:Windows 7 / 8 / 8.1 / 10