Because the light is on, theshoe does not have a USB interface. It is normal for one to be bright and one not to be bright, or one to be bright and one dark. If there is a lighting problem, for example, the left and right brightness are different, the leftnd right light will be bright and the other will not be bright, and the color will not be balanced.
eBay
PU Leather Children's Sport Shoes Lightweight Breathable Kid's Sneakers Trend Fashion Boy's Girl's Running Shoes Children Shoes
Aliexpress UK
High-quality cloth, breathable, wear-resistant rubber soles, colorful LED light, which is give to children surprise gift. 2018 Latest edition to the popular Light Modes: 11 models High-quality cloth, breathable, wear-resistant rubber soles, colorful LED light, which is give to children surprise gift.
eBay
Kids Shiny Light Sneakers Boys Glowing Light Up Shoes Kids Leather Spider-Man Single Sneakers Kids LED Luminous Children's Shoes
Aliexpress UK
OPOEE 5056 HighTop Fashion Trend Children's Canvas Shoes Boys and Girls' Boots Versatile High Barrel Boots Cloth Shoes Children'
Aliexpress UK
New Design Red Trainers Shoes for Kids Girls Comfortable Platform Girl Sports Shoes Large Size 38 Children's Running Sneakers
Aliexpress UK
New Winter Warm Children Slippers Toddler Plush Floor Sock Shoes Kids Boys Girl Indoor Soft Sole Anti-slip Home Cotton Shoes
Aliexpress UK
Quad Roller Skates Size 32-40 Adult Women Flashing 4 Wheels Skate Shoes Kids Girls Beginner Outdoor Skating Training Sneakers
Aliexpress UK
Four Wheel Roller Skates Enhanced Pu Wind Fire Wheel Runaway Shoes Children's Star Sky Roller Skate Walking Tool Flash Wheel
Aliexpress UK
Moana Unisex Beach Slippers Sandals Breathable Summer Clogs - Lightweight Non-Slip Garden Shoes For Kids & Adults Gift
Aliexpress UK