Features: 1.[Heating Design] The wired heating mouse has a built?in heating chip, and its temperature can be controlled by a regulator. It is very suitable for you to work in winter. 2.[Temperature Adjustment] 3 speed temperature adjustment and 3 speed timing, hand heating, quick hand warming. During working hours, you will feel warm and comfortable. 3.[High End Technology] Adopts high sensitivity infrared photoelectric sensor; adopts 3D non slip roller; USB safe power supply, constant temperature regulation temperature. 4.[Ergonomic Design] Ergonomic mouse, right hand fitting, comfortable hand feeling, the button position fits office needs, avoiding hand fatigue when using it for a long time. 5.[Wide Applications] This wired heating mouse can be connected to devices that support USB interfaces, such as for Windows PCs, laptops, desktops, and for OS X, etc. specification:Item Type: Heated Mouse Material: ABS Color: Black Racking Resolution: 1600DPI Maximum Acceleration: 15G Maximum Speed: 40 Inches/Sec Dynamic Friction Coefficient: 0.13+ Static Coefficient of Friction: 0.23+ Button: Up to 5 Million Clicks Sliding: Up to 250 Kilometers Temperature Adjustment: Three speed Temperature Adjustment / Three speed Timing Scope of Application: It Can Be Connected to for Windows, for OS X PC, Laptop, Desktop, and Other Devices That Support USB Interface. PackageList:1 x HeatedMouse