This is a silica gel keyboard,can be rolled for storage.Its lightweight and mini size allow you can pack it to anywhere.Perferct for traveler It adopts 2.4GHZ wireless tochnology.Strong anti-jamming capability,enjoy 10.0m / 32.8ft long-range wireless control;There is no driver and software installation needed,plug and play Requires 2X AAA batteries(not included) for work.Allows to be used for 1 year under normal daily use conditions The flat design of the flexible keyboard provides easy typing mode without wrist pressure.Strong eliminate noise to avoid affecting the rest of others;Waterproof and splashproof protect the keyboard well Desktop computers,notebooks,tablets,smartphones and suport Windows/98/ME/2000/Vista/WIN7/Android/Ios system Ergonomic design for comfortable operation with silica gel keys Washable key surface for easy maintenance Rollable design for convenient storage Low noise operation to avoid disturbing others Strong anti-jamming capability with 10.0m / 32.8ft long-range wireless control