1.Switch hidden inside shoes, it nearby the USB port, you can press it to fix the shoe on one color, or flashing.
2.When charging, the light will automatically turn off until charging is completed.
3.Do not put the sneakers into water, you can use soft cloth to clean them.
4.Shoes contain a cable, but no chargers, please use your phone charger to charge the shoes.
4.5 B(M) US Women/3 D(M) US Men = EU size 35 = Shoes length 225mm Fit foot length 221-225mm/8.7-8.8in
5.5 B(M) US Women/4 D(M) US Men = EU size 36 = Shoes length 230mm Fit foot length 226-230mm/8.9-9.0in
6.5 B(M) US Women/4.5 D(M) US Men = EU size 37 = Shoes length 235mm Fit foot length 231-235mm/9.1-9.2in
7.5 B(M) US Women/5 D(M) US Men = EU size 38 = Shoes length 240mm Fit foot length 236- 240mm/9.3-9.4in
8.5 B(M) US Women/6 D(M) US Men = EU size 39 = Shoes length 245mm Fit foot length 241-245mm/9.5-9.6in
9.5 B(M) US Women/6.5 D(M) US Men = EU size 40 = Shoes length 250mm Fit foot length 246-250mm/9.7-9.8in
10.5 B(M) US Women/7.5 D(M) US Men = EU size 41 = Shoes length 255mm Fit foot length 251-255mm/9.9- 10.0in
11 B(M) US Women/8.5 D(M) US Men = EU size 42 = Shoes length 260mm Fit foot length 256-260mm/10.1-10.2in
12 B(M) US Women/9 D(M) US Men = EU size 43 = Shoes length 265mm Fit foot length 261-265mm/10.3-10.4in
13 B(M) US Women/9.5 D(M) US Men = EU size 44 = Shoes length 270mm Fit foot length 266-270mm/10.5-10.6in
14 B(M) US Women/10.5 D(M) US Men = EU size 45 = Shoes length 275mm Fit foot length 271-275mm/10.7-10.8in
15 B(M) US Women/11 D(M) US Men = EU size 46 = Shoes length 280mm Fit foot length 276-280mm/10.9-11.0in
Waterproof, Fit For Men, Women Or Couples
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.
Size Instruction:Since sizes can vary between brands. Please refer to the following size chart , measure your heel-to-toe length and than choose the size fit your best. Please pay attention to the distinction between men and women size.
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: 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.