Features: Hidden wind duct, leafless design increases use safety and prevent damaging your hair. Ergonomic, neckband hanging design, hands-free and convenient, fully using the fan when sporting or outdoor walking. Built-in rechargeable lithium battery can last 2-5 hours cooling time. Reliable and high-speed brushless motor with low noise is powerful and gives long use lifespan for users. Rotatable and adjustable angle for practical needs. Indicators: Low Battery: Blue light flashes On Charging: Red Light is on Full charging: Green light is on How To Use 1.Hanging the fan on the neck, the turn on/off button is on the right shoulder 2.Power off, short press the button - soft wind 3.Power off, press twice the button - natural wind 4.Power off, press three times the button - strong wind 5.Long press to turn off the fan Note: * Not waterproof. * Item color may show slight aberration due to different shooting light and monitor display.