Because of this, more readers have traded their traditional books for e-book readers or e-readers for use on devices such as tablets, smartphones, and laptops. (readersfavorite.com)
Bluetooth 4.2 is used on the device with support for up to two simultaneous connections and eight paired devices. (zdnet.com)
If I can't use it on my device then it's completely useless let alone better. (goodereader.com)