Tsmine Acer Iconia One 7 B1-770 Tablet Keyboard Case - Quality Micro USB Keyboard W/ Premium PU Leather Case Stand Cover for Acer Iconia One 7 B1-770 7-Inch Tablet, Black Designed by Tsmine to fit your tablet. Reusable, best chooice for enviromentalist; Multifunction Design: Micro-USB keyboard, tablet PC case and bracket; Magnet flap closure, plug and play, easy operation; Fn multifunction key design, with numeric Keypad; Life time warranty from Tsmine.