This Amazon Renewed product will be in an unboxed or refurbished condition and has been professionally inspected and tested by an Amazon qualified supplier. Box and accessories may be generic.Save space without missing a thing as the compact keyboard is about 36 percent smaller than standard keyboards but still has all the standard keys, so doing the things you love is as easy as ever.You get a reliable connection upto 10 meters (33 feet) away, with virtually no delays or dropouts even in the busiest wireless environments, thanks to logitech advanced 2.4 ghz wireless connectivity.128-bit aes keyboard encryption helps keep your information secure, wireless range may vary due to environmental and computing conditions.A 24 month keyboard and 5 month mouse battery life plus auto-sleep meaning you can watch youtube videos, catch up on facebook and explore for months without the hassle of changing batteries but battery life may vary based on user and computing conditions