KENSINGTON Pro Fit 2.4 GHz Wireless Full 80004518 K72370EU Product Description: Kensington Pro Fit Full-Size - mouse - 2.4 GHz - black Device Type: Mouse Connectivity Technology: Wireless - 2.4 GHz Colour: Black Orientation: Right-handed Dimensions (WxDxH): 7.8 cm x 12 cm x 4 cm Weight: 210 g Localisation: Europe Wireless Receiver: USB wireless receiver Movement Detection Technology: Optical Buttons Qty: 6 Movement Resolution: 1200 dpi Features: Scrolling wheel, soft rubber grip Battery: 2 x AA type OS Required: Apple MacOS X, Microsoft Windows 7, Microsoft Windows Vista / XP