O2 NEXTGEN Ultrasonic Mobile Nano Mister features ultra-fine nano mist atomizer technology that dispenses a targeted, super-fine mist. It boasts a long runtime, with a lithium-ion battery providing 90 minutes of operation on a low and 60 minutes on a high setting. It is rechargeable via USB Type-C and offers universal compatibility for worldwide use and travel. The high-capacity 12.5-ounce liquid reservoir allows for extended use and more coverage. Its cordless and compact handheld design is engineered for maximum comfort during use. This versatile device is ideal for professional barbers, stylists, and home use on hair, skin, and other surfaces.