Odema Women USB Charging LED Shoes Flashing Sneakers PU leahther SIZE INSTRUCTION: US women size chart.Please measure your heel-to-toe length and choose size according to the above size chart! 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 12 times to turn the light off. 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 3 hours. LIGHT MODES:1.light on from red(steady)-2.green(st')-3.blue(st')-4.yellow(st')-5.skyblue(st')-6.purple(st')-7.white(st')-8.white(twinkle)-9.slow auto-change mode-10.fast auto-change mode-11.twinkle+auto-change mode-12.light off PACKAGE INCLUDE:1 pair of shoes,1 charging cable,1 pcs of paper instruction