Wifi Smart Led Screen Backpack For Walking Outdoor Advertising

Features:
Upgrade Smart LED Backpack is a cool urban backpack, which can be customized through an app. It will be a awesome gift for your family or friends.
Elegant design, Simple and neat, stylish and exquisite
Specifications:
Product: LED dynamic backpack
Material: high quality waterproof Oxford cloth
Screen resolution: 64*64 dot matrix display
Brightness: 1600mcd
Pixel spacing: 4.75mm
Compatible: IOS, Android
Connection method: WiFi
Applicable scene: business trip / travel / shopping mall / outdoor promotion
Package included:
1* Backpack

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.