B660 3D Printing Pen Review

  Features LED text display Colored LED indicator Ceramic nozzle Temperature adjustable by degree from 160° to 220° C 4 filament extrusion speeds Supports 2 types of  1.75mm filament: PLA and ABS Can be used with a 5V 2A portable power bank Package Contents 3D pen Pen cap USB barrel connector power cable 5V 2A power adapter 2 meters of 3 colors of PLA filament…