With full-size alphanumeric keys, this keyboard provides fast, accurate typing, feels like those regular standard keyboard you are accustomed to. | Foldable, lightweight, compact design, easily fit into a bag or pocket, lets you take it wherever you go so you can get more done on your tablet or smartphone no matter where you are. And, no trouble of pressing any key by mistake when you don't use it. | Easy on/Easy off: Open the keyboard to connect to your tablet or smartphone. Simply close the keyboard to shut it down. | The built-in rechargeable battery provides up to several months of usage on a single charge. | Compatible with IOS, Android Windows phone smartphone, tablet, laptop, Apple iPhone, iPad, Mac, etc. If any problem with this keyboard, please charge it firstly. Low power may cause various problem.If it fails to connect after a long time using, please reboot your device or restart a bluetooth. If the problem persists, please send us a mail, we will reply within 24 hours to resolve it for you. Your satisfaction is guaranteed!