The Amazon Kindle Paperwhite 5 will have a 6.8 inch E INK Carta HD display with 300 PPI. It will have 17 white LED lights, so it will be easy to read in the dark. The screen is completely flush with the bezel. It is rated IPX8, so will be waterproof for up to 60 FT in fresh water for about an hour, so it will be great for reading in the bathtub.
Underneath the hood is a NXP/Freescale 1GHZ processor, 1GB of RAM and 8GB of internal storage. You will be able to connect it up to your MAC or PC via USB-C. It has WIFI only and there is no cellular option. It has Bluetooth, which can be used to plugin a pair of wireless headphones or an external speaker to listen to Audible audiobooks. The dimensions are 124.6 x 174.2 x 8.1 mm and weighs 205g.