Feature: 1.This hot glue gun is solid made of high-tech PVC. 2.With 3.7V voltage,its operation becomes more safety. 3.It has complete structure and comfortable operation.Its gun chamber is applied copper-plastic for heat insulation to prolong lifeson. 4.The USB charging port promotes a convenient and fast charge. 5.Only the charger with more than 5V voltage and 2A current is available. 6.With 100Pcs 7mm white/black/color glue stick, to meet all your needs.Wide application in DIY handcraft and repair job.