buy Optical Wireless Mouse Logitech 910-005907 Blue Black/Blue . Type: WirelessMouseWireless MouseCompatible: Windows, LinuxWindowsLinuxMac OSQuantity: 1Battery type: AAConnections: USBCharacteristics: WirelessUSBColour: BlueBlackMouse: 1000 dpiPower supply: BatteryNumber of batteries: 2Battery operated: YesTechnology: OpticalBattery: Alkaline BatteriesConnectivity: RFForm factor: AmbidextrousButtons: 2 Logitech M190 is a large-size wireless mouse with a contoured design that follows the natural curve of medium to large hands. All-day comfort thanks to the arched palm support and special button scooping for ideal finger placement. You’ll work wirelessly and move freely – from up to 10 metres* away – with virtually no delays or dropouts. No cable means no clutter on your desk, while the 18-month* battery life means you can work worry free thanks to the power-saving mode that automatically kicks in when you’re not using the mouse. You’ll get great quality navigation with precision tracking and line-by-line scrolling at an affordable price. *Wireless range and battery life may vary based on user, environmental and computing conditions. Purpose: OfficeDevice interface: RF WirelessMovement detection technology: OpticalScroll type: WheelButtons quantity: 3Buttons type: Pressed buttonsMovement resolution: 1000 DPINumber of scroll wheels: 1Scrolling directions: VerticalFrequency band: 2.4 GHzForm factor: AmbidextrousProduct colour: Black, BlueSurface coloration: MonotonePower source: BatteriesNumber of batteries supported: 2Battery type: AABattery technology: AlkalineService life of battery: 18 month(s)Windows operating systems supported: YMac operating systems supported: YLinux operating systems supported: YWidth: 66.1 mmDepth: 115.4 mmHeight: 40.3 mmWeight: 89.9 gQuantity: 1Receiver included: YWireless receiver interface: USB Type-AReceiver type: Nano receiverPackage width: 79.2 mmPackage depth: 128 mmPackage height: 183 mmPackage weight: 139 gMaster (outer) case width: 10.5 cmMaster (outer) case length: 37.4 cmMaster (outer) case height: 25.8 cmMaster (outer) case gross weight: 1.59 kg