Leadleds Smart Led Backpack Shoulder Bag with Full Color Advertising for Boys Girls Gift, Black With Remote Controller:YES Best Viewing Distance: ≥ 30

Best Viewing Distance: ≥ 30 - 100 meters

Size: 15m 15leds

and creating an engaging atmosphere

the light will be steady

and exhibitions for advertising purposes

Leadleds Smart Led Backpack Shoulder Bag with Full Color Advertising for Boys Girls Gift, Black With Remote Controller:YES Best Viewing Distance: ≥ 30Novel Smart LED Backpack Cool Black Customizable Laptop Backpack Innovative Christmas Gift School Bag It can display full color pictures, neon, text, animation, time, etc, the best ads public tool. [Durable Fabric]Outer: High quality EVA nylon composite waterproof fabric (Abrasion resistant). Internal: Polyester [Smart LED Backpack]: Unleash your creativity with the LED app. The backpacks can showcase subtitles, images, and animations. Or use it for