KENSINGTON K75404EU Kensington Pro Fit E 80004518 Product Description: Kensington Pro Fit Ergo Wireless Mouse - mouse - 2.4 GHz, Bluetooth 4.0 LE - black Device Type: Mouse - ergonomic Connectivity Technology: Wireless - 2.4 GHz, Bluetooth 4.0 LE Colour: Black Dimensions (WxDxH): 7.3 cm x 13.3 cm x 6 cm Weight: 94.2 g Localisation: Europe Wireless Receiver: Nano USB wireless receiver Buttons Qty: 5 Movement Resolution: 1600 dpi Performance: Realtime sensitivity switching 800/1200/1600 dpi Features: Scrolling wheel, on/off power switch Battery: AA type OS Required: Microsoft Windows, Apple MacOS, Google Chrome OS, Android Package Type: Retail Manufacturer Warranty: 3-year warranty