Amazon Kindle Paperwhite (fourth iteration)

Amazon announced the fourth-iteration Kindle Paperwhite on October 16, 2018, and released it on November 7, 2018; it is colloquially referred to as the Paperwhite 4 and Paperwhite 2018. It is available in 8 GB Wi-Fi, 32 GB Wi-Fi and 32 GB Wi-Fi + 4G LTE models. It features a 6-inch plastic-backed display of Amazon's own design with 300 ppi and a flush screen featuring five LED lights. It is waterproof with an IPX8 rating, allowing submersion in 2 meters of fresh water for up to one hour. It supports playback of Audible audio books only by pairing with external Bluetooth speakers or headphones.

The Verge rated the Paperwhite 4 as 8.5 of 10, praising its great display, water-resistance and battery life but criticizing its lack of physical buttons and no USB-C support.