FLIP™ plus LED Detangling Hairbrush is the world's first LED hairbrush - designed to detangle hair without snagging, balance the scalp, and support your natural hair cycle. Engineered with DualFlex™ bristles and 76 LEDs, including Near-Infrared + Red light, Blue light, and Green light therapy - this revolutionary hairbrush helps to reduce breakage & thinning in a single stroke. Same routine. Smarter brush. Better hair..Designed for all hair types .100% waterproof.Up to 2 hours on a full USB charge.Before first use, download the FOREO app to unlock the device and activate the warranty. Flip open your FLIP™ hairbrush, and press the universal button to turn on the LED light. .Press the universal button again to cycle between LED light wavelengths: Red LED, Blue LED or Green LED. .Brush hair as normal, from scalp to ends of hair. Once finished, press the universal button for 3 seconds to turn the LED light off.