Brand New and high quality Beautiful Salon hair brushes for Lady Gift Material: ABS+TPU Battery capacity: Polymer aluminum battery 400MHA Maximum power: 1.5W Phototherapy massage comb Vibration massage, color light massage Convenient charging, portable and portable Color: White Black Red light wavelength: 620-760 nanometers Blue light wavelength: 400-480 nanometers USB charging Usage time: 5-10 minutes Usage frequency: 2-4 times Instructions for use: Press and hold the power button for 3 seconds to start the machine, and the massage comb will start working in vibration mode During vibration mode operation, short press the power button to switch the working mode to blue light plus vibration mode During the operation of the blue light plus vibration mode, short press the power button to switch the working mode to the red light plus vibration mode Long press the key to turn off the massage comb