MK270 Wireless Keyboard and Mouse Combo Meet all of your computer accessory needs with the MK270 Wireless Combo. A reliable wireless combo with a tiny plug-and-forget receiver. This keyboard and mouse combo features Advanced 2.4 GHz wireless, delivering the reliability of a cord with wireless convenience. Long-lasting battery life eliminates the hassle of frequently changing batteries. Keyboard Product Details: Dimensions: 5.87 x 17.36 x 0.71 in Weight: 17.57 oz Adjustable keyboard height 10-Key Number pad Key Type: Deep profile Caps lock indicator light On/off power switch 2 AAA batteries Battery life: 36 months(3) Mouse Product Details: Dimensions: 3.9 x 2.36 x 1.54 in Weight: 2.65 oz Sensor technology: Smooth Optical tracking Number of buttons: 3 (Left/Right-click, Middle-click) Scrolling: line-by-line Scroll Wheel: 2D, optical Connect/Power: On/Off power button 1 AA battery Battery life: 12 months(3) Wireless Range: Up to 33 ft (1) Compatible on Windows 7, 8, 10 or later, Chrome OS (1) Wireless range may vary based on environmental and computing conditions (2) Tested under limited conditions (maximum of 60 ml liquid spillage). Do not immerse keyboard in liquid. (3) Keyboard and mouse battery life may vary based on user and computing conditions (4) Based on independent sales data (in units) including all the models of the MK270 family for wireless combo aggregated from major markets: CA, CN, FR, DE, ID, KR, RU, SE, TW, TH, TR, UK, US (Apr'19 - Apr'20). Retail channel only. (5) Based on independent sales data (in units) aggregated for mice and keyboards from major global markets including CA, CN, FR, DE, ID, KR, RU, SE, TW, TH, TR, UK, US (July ’19 - July ’20 period). Retail channel only. (6) Click and typing noise reduced by over 90% compared to MK270. Left click and typing dBA level measured by an independent lab at 1 meter.