PU leather Rubber sole. Lining Material: Cotton Fabric. Switch Instruction: Hidden switch button beside the charging port. Press it to switch on. With each press,it changes to another light mode. Press the switch for 12 times to turn the light off , or keep pressing for 3 seconds to turn off the power. Light Modes: light on from 1.red(steady) -2.green(steady) -3.blue(steady) -4.yellow(steady) -5. skyblue(steady) -6.purple(steady) -7.white(steady) -8.white(twinkle) -9.slow auto-change mode -10.fast auto-change mode -11.twinkle + auto-change mode -12.light off. Charge instruction: Connect a USB cable from the computer, mobile phones and other chargers, mobile power can also be used, safe and reliable. The sole flashes red to indicate charging. Do not charge for more than 2.5 hours. BEST GIFT:Colorful LED light up shoes are the best gift for lovers and kids at Birthday, Performances, Halloween, Thanksgiving, Christmas Day, Cosplays and other celebration.