The RII 518 Mini wireless keyboard is a compact, 66-key portable keyboard about the size of a phone. The large, distinct buttons are easy to find by touch, and the design includes a full number row as well as Control and Option keys for Voice-over users. This keyboard is compatible with iPhone 3GS and later, iPod Touch 3G and later, and the iPad as well as Windows and Mac computers and Symbian and Windows Mobile 6 phones. It also works with Android phones and tablets running version 4.0 or later. Charge the keyboard with the included mini USB cable.