Third Generation Wireless Wifi Version App Control Advertising Led Backpack

Specifications
Item Type: Advertising Light
Voltage: 5V
Power Source: DC
Usage: Advertising
Model Number: yc-01
communication method: WIFI connection mobile phone
System compatible: iOS,Android
Product packaging: LED Backpack,English manual
Backpack function: Feel free to switch pictures, text, animation
Product Properties: neon sign,backpack,hologram,neon signs

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.