Outer: High quality nylon composite waterproof fabric (Abrasion-resistant).
Internal: Polyester
Smart LED Backpack: Unleash your creativity with LED Space app. It is easier to use. The backpacks can display texts, images, animations, doodle
How to Use:
LED screen is powered by external power bank (Not included). Connect your power bank with the internal USB charging port. Connect the WI-FI and use app for iOS and Android.
Adjustable shoulder straps with mesh fabric for superior back ventilation and support.
Exterior Dimension: 44 X 34 X12.7cm.
Screen Dimension: 25x25x12.7cm (64x64 LED dot matrix display)
Capacity: 20L
Novel Smart LED Backpack is a cool urban backpack, which can be customized through an app. It's an awesome gift for your family or friends.