Featuring a unique hinge design that adjusts through 135° the Folio holds your iPad Air 2 at whatever viewing angle is best for you just like a laptop No other Bluetooth keyboard does that The ZAGG Folio is the thinnest and most diverse Bluetooth keyboard available It features a unique hinge design that lets you position your screen at virtually any viewing angle and also provides full body protection to help keep your iPad free from scratches and dings A powerful battery keeps it going for up to three months of regular use between charges