Work and play longer with a long battery life Comfortable design Quick set-up and easy installation Device Type : Mouse Connectivity Technology : Wireless - 2.4 GHz Dimensions (WxDxH) 5.731 cm x 9.482 cm x 3.56 cm Weight : 58 g Wireless Receiver USB wireless receiver Movement Detection Technology: Optical Buttons: Qty 3 Movement Resolution: 1000 dpi Features Scrolling wheel, Nano wireless receiver, Dell Universal Pairing Battery: AA type OS Required: Linux, FreeDOS, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Google Chrome OS, Microsoft Windows Server 2012, Microsoft Windows XP / Vista / 7 / 8 / 10 Manufacturer Warranty: 1-year warranty