Hato Vape Alumo CBD Vape Battery providing you convenient vaping experience. The aluminum alloy metal shell design provides better tactility. Its small size makes it portable, but don't be fooled by the battery's size. With 550mAh Battery capacity. Two adapters allow you to use both 1.0mL and 2.0mL cartridges conveniently. It has four voltages for you to choose (3.2/3.5/3.8/4.2), which can be adjusted freelyt according to your personal preferences to enjoy your vaping.