Logitech M190 is a full-size wireless mouse with a comfortable, contoured design that follows the natural curve of medium to large hands, allowin you to work wirelessly and move freely with virtually no delays or dropouts.DimensionsMouse DimensionsHeight: 115.4 mmWidth: 66.1 mmDepth: 40.3 mmWeight (with batteries): 89.9 gTechnical SpecificationsSensor Technology: Smooth Optical TrackingSensor resolution: 1000 DPINumber of Buttons: 3Scroll Wheel: Line-by-Line PrecisionUnifying ready mouse: NoUnifying ready receiver: NoBattery: 18 monthsWireless technology: Logitech Nano ReceiverWireless operating distance10 meters 1Wireless range and battery life may vary based on user, environmental and computing conditions.SustainabilityCharcoal plastics: 61% post-consumer recycled material 2Excludes plastic in printed wiring assembly and packaging.Red plastics: 31% post-consumer recycled material 3Excludes plastic in printed wiring assembly and packaging.Blue plastics: 31% post-consumer recycled material 4Excludes plastic in printed wiring assembly and packaging.Mid Grey plastics: 31% post-consumer recycled material 5Excludes plastic in printed wiring assembly and packaging.