Ebook with a 6.8” screen featuring Amazon’s Paperwhite technology, with built-in light, 300 ppi, optimized technology for character reproduction, 16 levels of gray – touchscreen – WiFi – Compatible with 2.4 and 5.0 GHz networks, equipped with WEP, WPA, and WPA2 security systems with password authentication or Wi-Fi Protected Setup (WPS). Not compatible with ad-hoc (or peer-to-peer) Wi-Fi networks – Supported file formats: Kindle Format 8 (AZW3), Kindle (AZW), TXT, PDF, unprotected MOBI, native PRC, HTML, DOC, DOCX, JPEG, GIF, PNG, BMP (converted).