Reliable Plug and Play: The USB receiver provides a reliable wireless connection up to 10 m, so you can forget about drop-outs and delays and take it wherever you use your computer. Type in Comfort: The design of this keyboard creates a comfortable typing experience thanks to the low-profile, quiet keys and standard layout with full-size F-keys, number pad, and arrow keys. Durable and Resilient: This full-size wireless keyboard features a spill-resistant design, durable keys and sturdy tilt legs with adjustable height. Long Battery Life: MK270 combo features a 36-month keyboard and 12-month mouse battery life, along with on/off switches allowing you to go months without the hassle of changing batteries. Easy to Use: This USB keyboard and mouse set features 8 multimedia hotkeys for instant access to the Internet, email, play/pause, and volume so you can easily check out your favourite sites. Comfortable Mouse: This compact cordless mouse is designed to be equally comfortable for both left- and right-handed users, plus its smooth cursor control allows easy navigation on most surfaces. Keyboard. On/off switch. Yes. Spill-resistant up to. 60 ml. Frequency band. 2.4 GHz. Purpose. Universal. Numeric keypad. Yes. Keyboard form factor. Full-size (100%). Keyboard language. US International. Keyboard layout. QWERTY. Device interface. RF Wireless. Connectivity technology. Wireless. Recommended usage. Home. Design. LED indicators. Yes. Protection features. Spill resistant. Product colour. Black. Adjustable keyboard height. Yes. Wrist rest. No. Keyboard style. Straight. Features. Plug and Play. Yes. Wireless range. 10 m. Power. Number of batteries supported. 4. Battery type. AA. Service life of battery. 36 month(s). Battery capacity. 1000 mAh. Battery technology. Alkaline. Number of batteries (keyboard). 2. Keyboard battery type. AAA. Power source type. Battery. Mouse. Number of batteries (mouse). 2. Mouse battery life. 12 month(s). Mouse battery type. AA. Scroll type. Wheel. Scroll. Yes. Buttons quantity. 3. Movement detection technology. Optical. Mouse included. Yes. System requirements. Other operating systems supported. ChromeOS. Linux operating systems supported. Yes. Windows operating systems supported. Yes. Weight & dimensions. Mouse weight. 75.2 g. Mouse dimensions (WxDxH). 60 x 39 x 99 mm. Keyboard weight. 498 g. Keyboard dimensions (WxDxH). 441 x 18 x 149 mm. Packaging data. Package weight. 743.5 g. Package height. 46 mm. Package depth. 510 mm. Package width. 158 mm. Packaging content. Batteries included. Yes. Receiver weight. 2 g. Receiver dimensions (WxDxH). 14.4 x 6.6 x 18.7 mm. Unifying receiver. Yes. Receiver type. Unifying receiver. Wireless receiver interface. USB Type-A. Receiver included. Yes. Logistics data. Master (outer) case gross weight. 4.96 kg. Master (outer) case height. 289 mm. Master (outer) case length. 517 mm. Master (outer) case width. 166 mm. Harmonized System (HS) code. 84716060.