Production Description White LED Fiber Optic Shoes Light Up Sneakers for Women Men Would you like to be the brightest star in the dark? When you put on this white fiber optic shoes , you will get 7 different colors,4 different flash modes,which you can participate in all kinds of occasions ,just choose the color you need. Package Included: 1 X Unisex Fiber Optic LED Shoes 1 X USB Charging Cable 1 X Fiber Optic Shoes Operation Instruction Warm tips: 1.We recommend that you use up the power when you use it for the first time, and then fully charge it to ensure your best experience. 2.Because of the material,please don't dip your shoes in the water,and our size will bigger than usual,please take a smaller size. 3.When you charging the shoes ,please keep away from little kids. YIQIZQ Size Chart: 5 Women/4 Men = EU 35 Foot Length(in) 9.17 6 Women/5 Men = EU 36 Foot Length(in) 9.44 6.5 Women/6 Men = EU 37 Foot Length(in) 9.72 7 Women/6.5 Men = EU 38 Foot Length(in) 9.96 8 Women/7 Men = EU 39 Foot Length(in) 10.23 8.5 Women/7.5 Men = EU 40 Foot Length(in) 10.51 9 Women/8 Men = EU 41 Foot Length(in) 10.74 10 Women/9 Men = EU 42 Foot Length(in) 11.03 10.5 Women/10 Men = EU 43 Foot Length(in) 11.29 11 Women/10.5 Men = EU 44 Foot Length(in) 11.53 12 Women/11 Men = EU 45 Foot Length(in) 12.01 13 Women/12 Men = EU 46 Foot Length(in) 12.20