✅ Battery:Skull Shaver Gold PRO electric shaver is equipped with a powerful integrated lithium-ion battery (1400 mAh), which allows quick charging and 90 minutes of cordless use. ✅ Water Resistant:Gold PRO electric head and face shaver uses IPX5 100% water-resistant technology, giving you the freedom and convenience of shaving in the shower, as well as easily rinsing your shaver under running water.