HDE Roll Up Wireless Keyboard Spillproof Silicone Portable Folding Keyboard Silent Typing Soft Touch Keys with USB Receiver Ultra slim, flexible, soft, foldable, roll-up, waterproof and dustproof keyboard is an easy and comfortable option for less than ideal environments Soft silicone material is spill and water resistant | Clean up any spill, food crumbs or dust with soap and water Silicone material provides nearly silent discreet typing, perfect for quiet environments Wireless keyboard utilizes included 2.4 GHz USB adapter | Requires 2 x AAA batteries (not included) Plug and Play for easy installation on notebooks or desktops | Works with Mac OSX, Windows XP/Vista/7/8/10