This is brand new in the box. Manufacturer description as follows: ?STABLE WIRELESS CONNECTION?The USB receiver?THE Receiver in the keyboard) is easily connected to the computer and mouse, and the effective distance is 10 meters for wireless control. ?SLIM KEYBOARD MUTE MOUSE?With ultra-slim design, the thinnest part is just 4mm.With quiet clicks, you won't bother others,but it's definitely much quieter than an traditional keyboard mouse, especially the old-fashioned mechanical keyboard. ?DELICATE APPEARANCE?It boasts luxury silver finish and sophisticated shape, which gives you a sense of elegance and beauty. Plus, compact size keyboard makes it easier to fit inside most anything you need to go with. ?COMPACT PORTABLE KEYBOARD?This wireless keyboard is quite compact and portable.The weight of 10.5kg and size is 285*133*18mm. This keyboard is sleek, elegant and portable It's perfect for both normal use ( home or office) and travel use. ?COMPATIBILITY?Compatible with W7/8/10/XP. It works great for desktop, laptop and other devices. Powered by Turbo Lister The free listing tool. List your items fast and easy and manage your active items.