?8 Adjustable Speeds and Temperature?8 different speed levels for more accurate control of the filament extrusion speed. You can choose the mode according to your 3d pen refills. A LCD display with buttons for loading/unloading and adjusting the temperature and speed. ?Environmentally Friendly Materials?2 Modes compatible with 1.75mm PLA and ABS filament. Gifted with 2 pack 1.75mm PLA filament, each color 3 meters. Intelligent 3D drawing pen is made from skin-friendly materials, the refills and 3d pen has no strange smell, non-toxic and odorless. No harm to the health of you and children. ?Advanced Technology?The LCD display can show the types of material you’re using(ABS or PLA) and the temperature, it is easy and convenient to control this 3D pen. With automatic sleep after 8 minutes of non-use for your safety. ?Convenient & Safety?USB port power supply, the 3D printer pen can be charged by mobile power bank, computer, laptop, make it more convenient to use. Comes with 2 finger protectors to cover your thumb and index finger to avoid hurting during use. ?Perfect Gift for Kids & Adults?3D Printing Pen is a perfect gift for kids over 5 years old to improve spatial thinking, cultivate creation and artistic skills. It also provides parents and children a chance to spend quality time together.