Kobo Aura H2O is the first premium eReader that truly allows for worry-free eReading because of its waterproof, sandproof and dustproof* design. You'll also enjoy the freedom to keep reading wherever you go with up to 2 months of battery life**. It features an impressive extra-large, no-glare 6.8" Carta E Ink touchscreen that reads like print on paper - even in direct sunlight. Eyestrain is minimized in any light with the fully adjustable ComfortLight directing light at the page, not your eyes. Plus, with ClarityScreen+, Kobo Aura H2O provides a high definition reading experience, with crisp, clear text for easy and enjoyable reading. Display: 6.8” Carta E Ink HD touchscreen with high, tablet-grade resolution of 1430 x 1080, 265 dpi Device Size: 179 x 129 x 9.7 mm. Weight: 233g. Connectivity: Wi Fi 802.11 b/g/n and Micro USB. Processor: 1 GHz. Light: Built-in ComfortLight technology with micro-thin coating for durability and even light distribution. Storage: 4 GB Option to expand up to 32 GB with a Micro SD card. Battery Life: Up to 2 months *** Fonts: 10 font styles, 24 font sizes Supported file formats: eBooks: EPUB, EPUB3, PDF, and MOBI. Images: JPEG, GIF, PNG, BMP and TIFF. Text: TXT, HTML, XHTML, and RTF. Comic Books: CBZ and CBR. *IP67 Certified. Waterproof for up to 30 minutes in 1M of water with port cover closed. For the best reading experience, dry the screen if wet. **Dependent on individual usage. *** Based on 30 minutes of reading a day with ComfortLight turned on or off, and Wi Fi turned off.