Women USB Charging LED Sport Shoes Flashing Sneakers metal-cleats Rubber sole Waterproof Sole USB rechargeable, one charge offers 18+ hours of glow time Stay safe and visible during outdoor training CHARGE INSTRUCTION: Easy charge like your cell phone with the attached USB charging cable.Switch on the shoes when received and light up until all power gone.Then charge both shoes for 13 hours SWITCH INSTRUCTION: Hidden switch by the charging port. Press it to switch on.It starts with steady red light.With each press,it changes to another light mode.Press the switch for 22 times to turn the light off