Carta 1300 - Higher contrast and improved readability 300 PPI- Sharp details always Delve further into your stories by turning reading into listening with the free TTS feature. Enjoy engaging audiobooks with the built-in speaker, or your wireless Bluetooth headphones. Equipped with a G-sensor, the device automatically adapts to however you hold it. Simply rotate, turn, or tilt to change page orientation to portrait or landscape. Water-repellent protection Ergonomic page-turn buttons