1. We offer you writing board with 3.6V 2400mA LI Battery inside (Normally 1800mA), ensuring safe usage and long lifetime. You also can choose cheaper items without battery, which is fit for shipping by express
2. Our power charger is with USB interface, can be used in all countries.
3. 2m USB data line, very convenient to use or move.
4. This board also matches with solar charger which is energy- saving and environmental-friendly.
5. Portable, you can use it with power charger if displayed in a settled place;
Or with batteries if movable.
6. Colorful led (normal red + green + blue) 36 or 38kinds of flash mode, adjustable by a control button.
7. To turn the board off/on by advanced switch, press and hold the button for 8 seconds, then you will turn it on or off.
