Features: _x000D_Multi-wavelength stimulations with Red Light 630nm Blue Light 460nm for optimals scalp health._x000D_Multifunctonal: Red light boosts blood-flow to the scalp, nourishing follicles for enhanced function and growth. Blue light regulates scalp oil production, fostering a health environment for hair growth._x000D_Massage function improves scalp circulation, aiding in overall hair health._x000D_Dual light massage, offering multifunctional treatments._x000D_Travel-ready design, allowing you to maintain your hair regrowth on the move._x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ Weight: 174g/365g_x000D_Size: 20.2*8.7*4.55cm/21*12*6cm_x000D_Charging voltage: 5V_x000D_Rated voltage: 3.7V_x000D_Rated power: 5W_x000D_Battery capacity: 800 mAh_x000D_Material: ABSPCTPU_x000D_Function: Colorful light, ions, vibration, essential-oil roller ball, EMS-micro currentPackage List:_x000D_1x Red/Blue Light Phototherapy Massage Comb