Specifications Mk270r Wireless Combo Brings Together The Convenience And Comfort Of A Full-sized Keyboard With A Sculpted, Compact Mouse. With Media Keys, A Number Pad And Precise Cursor Control To Make Your Work A Whole Lot Smoother. Dimensions Keyboard Height: 149 Mm Width: 441 Mm Depth: 18 Mm Weight: 498 G Mouse Height: 99 Mm Width: 60 Mm Depth: 39 Mm Weight: 75.2 G Nano Receiver Height: 18.7 Mm Width: 14.4 Mm Depth: 6.6 Mm Weight: 2.0 G Technical Specifications Wireless Range: 10 M 1wireless Range May Vary Due To Environmental And Computing Conditions. Keyboard Spill-resistant Design 2tested Under Limited Conditions (Maximum Of 60 Ml Liquid Spillage). Do Not Immerse The Keyboard In Liquid. Adjustable Keyboard Height 10-key Number Pad Key Type: Deep Profile Caps Lock Indicator Light On/off Power Switch 2 Aaa Batteries(alkaline Battery) Battery Life: 36 Months 3keyboard Battery Life Calculation Based On An Estimated Two Million Keystrokes/year In An Office Environment. User Experience May Vary. Mouse Battery Life May Vary Based On User And Computing Conditions. Mouse Sensor Technology: Smooth Optical Tracking Number Of Buttons: 3 (Left/right-click, Middle Click) Scrolling: Line-by-line Scroll Wheel: Yes, 2d, Optical Connect/power: On/off Power Button 1 Aa Battery(alkaline Battery) Battery Life: 12 Months 4keyboard Battery Life Calculation Based On An Estimated Two Million Keystrokes/year In An Office Environment. User Experience May Vary. Mouse Battery Life May Vary Based On User And Computing Conditions. Warranty Information 3-year Limited Hardware Warranty Part Number 920-004509 System Requirements What You Need An Available Usb Port Chrome Os™ Windows 10,11 Or Later In The Box Keyboard With 2 Aaa Batteries Mouse With 1 Aa Battery Usb Receiver User Documentation