6）Display languages: World language,such as English, Simplified Chinese, Traditional Chinese, Korean, Japanese, Russian, and all European countries language;

7）Display ability：8 message for text or picture，english 1500 chars or chinese 640 chars.
8）Brightness: 4 differentlevels,25%,50%,75%,100%；
9）Speed: 8 different levels by App ；
10）Function：Program the customers own message easily by App；

12) Display: display immediately, snow, keep, left, right, up, down, flashing
13）Charging time: 3-4 hours, Charging voltage：AC110-220V；Battery capacity: 250mah

14) Working time: 10hours for 50% brightness；
15）Standard accessories: Display , hat , USB data line, Charger (USB cable to download information directly from the computer      and charging, the charger can also be charged)

( bluetooth led display inside the hat)