COMBO CLAVIER ET SOURIS SANS FILS WIRELESS DE LA MARQUA GIGABYTE MODEL KM-7580. Interface USB / 2.4GHz Wireless Activation Membrane Switch life 5 million times Key Profile Slim Spill Resistant Yes Dimension Keyboard:425 x 155 x 25 mm /Mouse:98 x 59 x 35 mm Weight Keyboard:518g (without batteries) / Mouse:60g (without batteries) Transmission Distance Keyboard: 6~8M (in open site) / Mouse: 6~8M (in open site) Color Keyboard: Black / Mouse: Shiny Black Packing Content Keyboard, Mouse, Batteries (AAA*4) OS Support Windows XP 32bit/ Vista/ Win 7/ Win8 Certificate CE, FCC, BSMI, NCC Warranty 2 Years Mouse Sensitivity 800/ 1200/ 1600 DPI Hot Key 15 multi-media hot keys