Logitech Wireless Combo MK270 Mouse and Keyboard (920-004519) Black KEY FEATURES LONG-RANGE WIRELESS Fast, reliable connection up to 10-meters with virtually no delays or dropouts thanks to Logitech Advanced 2.4 wireless technology. ADVANCED 2.4 GHZ WIRELESS Work or play in more places. The wireless connection virtually eliminates delays, dropouts and interference and gives you a range of up to 10-meters range.1 COMPACT              MOUSE Take the mouse with you. This comfortable mouse fits easily into computer bags and pocket to travel with your computer. EXTENDED             BATTERY LIFE A 36-month keyboard and 12-month mouse battery life—plus on/off switches—means you can go for months without the hassle of changing batteries.2 EIGHT                          SHORTCUT KEYS Instant access to media controls—movies, music, Internet, e-mail, play/pause, volume and more—are one touch away. FULL-SIZE               KEYBOARD The full-size keyboard with number pad, directional keys, and nine F-keys is comfortable, SPECS & DETAILS : SYSTEM REQUIREMENTS Windows-based PC Windows Vista®, Windows® XP, Windows 7, Windows 8, Windows 10 USB Port Chrome OS™ PACKAGE CONTENTS Keyboard Mouse Nano-receiver 2 AAA (keyboard) and 1 AA (mouse) batteries User documentation For more info click on the link below: https://www.logitech.com/en-us/product/wireless-combo-mk270