HP 6G4E6AA HP 285 Silent Wireless Mouse\n\nNo sound, no wires\n\nGet work done all day long, with the wireless mouse that stays connected. Featuring a unique silent click that lets you enjoy that same click feeling without all the noise.\n\nDesign\n\nErgonomic design\n\nYes\n\nForm factor\n\nAmbidextrous\n\nProduct colour\n\nBlack\n\nErgonomics\n\nWireless range\n\n10 m\n\nMouse\n\nButtons quantity\n\n3\n\nButtons type\n\nPressed buttons\n\nDevice interface\n\nRF Wireless\n\nMovement detection technology\n\nOptical\n\nMovement resolution\n\n1200 DPI\n\nScroll type\n\nWheel\n\nSilent click\n\nYes\n\nOther features\n\nConnectivity technology\n\nWireless\n\nPackage dimensions\n\nDepth (package,cm)\n\n12.5 cm\n\nGross Weight (Package, kg)\n\n0.3 kg\n\nHeight (package,cm)\n\n10.6 cm\n\nWidth (package,cm)\n\n4.6 cm\n\nPackaging data\n\nQuantity\n\n1\n\nPower\n\nBattery type\n\nAA\n\nNumber of batteries supported\n\n1\n\nPower source\n\nBatteries\n\nService life of battery\n\n18 month(s)\n\;