Q3 Ultra Slim Flexible Foldable Wired USB Laptop-size Laptop Keyboard Compatible with Desktop, Laptop, Mac  (Black)

Working Environment. It Fits Easily In Your Briefcase Or Backpack. The Keyboard Can Be Cleaned With Water, Alcohol Or Disinfectant To Help Prevent The Spread Of The Disease And Germs. It Is Suitable For Public Place Use Such As School, Restaurant, Or Hospital Where Clean Keyboard Is A Requirement. This Sealed Keyboard Can Be Easily Cleaned, Also Good For Use In Dusty Area Such As Factory, Or Outdoor. Quiet Keystroke Is A Good Match For Library Use. If You Are Not Used To This Keyboard, You May Push These Keys A Tiny Bit Harder To Get Output. Dustproof Washable Usb Plug Weight: 0.45lbs (200g) Operation Temperature Is -20c- +60c. Storage Temperature Is -30c - +70c