Low friction ceramic blade – 4 times harder than stainless steel
Extra-large Li-Ion battery with up to 4 hours of runtime per charge
Extremely quiet
Quick charge – gets a full charge in 3 hours
Five speed settings and digital battery life display
Voltage 110~120V,
The adapter it comes with is set up for 120V, If you find yourself in a 220v country, you can always use the USB plug to charge. It can be charged from a power bank, Laptop or any USB port.