PU leather rubber sole. Lining Material: Cotton Fabric. Instruction button: Hidden button next to the charging port. Press it to turn on. With each press, it switches to a different light mode. Press the button 12 times to turn off the light, or hold it down for 3 seconds to turn off the power. Light modes: the light turns on from 1.red (solid) -2.green (solid) -3.blue (solid) -4.yellow (solid) -5.sky blue (solid) -6.purple (solid) -7.white (solid) -8.white (flashing) -9.slow automatic changing mode -10.fast automatic changing mode -11.flashing + automatic changing mode -12.light off. Charging instructions: Connect a USB cable from the computer, mobile phones and other chargers, 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 children on birthdays, performances, Halloween, Thanksgiving, Christmas Day, cosplay and other celebrations.

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