A Fire Keyboard + Fire HDX 8.9 + origami case. Casey Johnston Amazon announced a slate of new Kindle products late Wednesday, including two new e-readers, a handful of a new tablets, and a new version of its Android-based Fire operating system. Among the products are the new, ultra-thin Kindle Voyage e-reader and a new version of the 8.9-inch Fire HDX tablet, which now has an optional keyboard reminiscent of the Microsoft Surface. A couple of new e-readers... The Kindle Voyage is designed to be Amazon's new high-end Kindle model at 7.6 millimeters thick with a magnesium metal back.