eBADA(TM) 2013 New iPad mini Magnetic Stand & Bluetooth Keyboard Case Cover for iPad 7.9" iPad mini MIni bluetooth keyboard with foldable design for iPad mini Built-in wireless Bluetooth function Matte process, feel comfortable Built-in lithium battery, charging time 3-4 hours, can use the full 1 90-100 hours Standard Bluetooth 2.0, using the distance 10m