У вашего броузера проблема в совместимости с HTML5
1. Safety: with 40℃ low surface temperature,more safety for kids birthday gift;
2. Easy to use:with automatic filament-loading function, simply plug-in, heat up and extrude;
3. Ergonomic design: with streamlined shape, it's more comfortable for us to hold the pen for a long time;
4. High-efficiency , with adjustable printing speed function, speed up or slow down freely according to precision ;
5. Excellent Gift for Kids,printing work is a funny tast,also it can develop their focus and logical thinking ability;
6. Extra-value meal,buy one pen get 1 draw stencil and 2 rolls (5 meters/roll) PLA filament for free.