1. You can write or draw on the smart digital pad, connect to iNotePro, and the written content will be synchronized to iNotePro in real time;2. iNotePro supports offline mode. When you write and save your works using the smart tablet alone, you only need to open the Bluetooth connection between iNotePro and the tablet to synchronize your offline works;3. iNotePro supports history playback, which allows you to record the entire process of writing or drawing.4. iNotePro provides rich color selection mechanism, users can choose their own color.