The Kensington Mouse for Life USB Three-Button Mouse features a high-definition optical sensor for reliable and responsive control. The comfortable contoured shape feels great either hand. It offers plug-and-play operation with a standard wired USB connect.Brand Name: KensingtonColor: BlackErgonomic Fit: SymmetricalMovement Detection: OpticalNumber of Total Buttons: 3Pointing Device Connectivity Technology: CablePointing Device Host Interface: USBProduct Type: MouseScroller Type: Scroll WheelAdditional Product SpecificationsFull Product Specifications: Click to viewBasicBrand Name: KensingtonColor: BlackErgonomic Fit: SymmetricalMovement Detection: OpticalNumber of Total Buttons: 3Pointing Device Connectivity Technology: CablePointing Device Host Interface: USBProduct Type: MouseScroller Type: Scroll WheelGeneral InformationBrand Name: KensingtonManufacturer: ACCO Brands CorporationManufacturer Part Number: K74531WWPackage Type: BulkPackaged Quantity: 1Product Line: Mouse for LifeProduct Name: Mouse for Life USB Three-Button MouseProduct Type: MouseInterfaces/PortsPointing Device Host Interface: USBMiscellaneousCountry of Origin: ChinaDevice Supported: ComputerPhysical CharacteristicsColor: BlackDepth: 7.9Height: 2.8Width: 5.3Pointing DeviceErgonomic Fit: SymmetricalMovement Detection: OpticalMovement Resolution: 1000 dpiNumber of Total Buttons: 3Pointing Device Connectivity Technology: CableScroller Type: Scroll WheelProduct InformationDevice Supported: ComputerPackage Type: BulkPackaged Quantity: 1Width: 5.3Technical InformationDevice Supported: Computer