BOOX Max Carta Ereader,13.3" Flexible Screen 16 GB with Built-in Wi-Fi,Bluetooth Excellent Pinch Zooming Experience  -- Highlight, annotate or erase on any document like it's pen on paper. Even make hand-written notes with smooth, crisp writing. Thoughtful Design for Reading Pdf  -- You don't need to use any app to compose type of the Pdf document because our product has the function that help you handle various formats of documents automatically Compatible with Various Reading Software  -- Multiple choices, multiple using experiences,  Smooth Stylus Touch Screen with Controllable Button  -- E-Ink technology, visible function button.All-New Carta Refresh Technology Listen to The Audio Books On BOOX  -- Pair with Bluetooth headphones or speakers to move seamlessly from reading to listening Compatible with Various Reading Software  -- Multiple choices, multiple using experiences,