Product specificationsMaterial: ABS + ceramic heating plateInput voltage and current: 50 ± 02v180ma ± 30mACharging mode: USBCharging time: 2 hoursBuilt in Battery Specification: 700mah / 3.7VUse time: about 5-6 times, 15 minutes / timeOverall size: 58 * 43 * 20MMNet weight: 46gPackage size: 20.5 * 19 * 5cmPackage size: 330g