Overview：
1: The second generation pen adds an LED display, which can adjust the temperature anytime and anywhere, which is convenient and fast;
2: The second generation pen can use ABS\\PLA consumables, PLA is colorless, odorless, non-toxic, healthy and environmentally friendly;
3: 2 ghost pen colors are more refreshing and cute, designed for children;
4: 2nd generation pen technology is more mature, performance is more stable, safe and stable;
It is a magic pen to make dreams become reality
