Improved cloud notebook. Write in the notebook and tranfer data to mobile in real time. Smart notebook which knows what page you are into, can change online writing font colors and size, distinguishing words from different languages. Organizing calendar into the next level. Write in the calendar and synch it to your mobile calendar for easy organizing and managing schedule. Made from recycled PU-RCS material, 80 sheets notebook with rechargeable pen. Pen: 6-8hours continously using and 90days standby time. Product Size: 23x17.5x2.8cm. Packaging: Hard Paper Box