Features 1、USB CHARGING: This LED backpack need to be connected to a power bank to be used and is powered by a mobile power supply plugged into the built in USB data port on the back. This LED cool rider smart motorcycle backpack is suitable for a variety of scenarios, such as traveling, hiking, motorcycle riding 2、MULTIPLE USES: The LED backpack is about 15x7x18 inches in size and has plenty of storage space. Large zipper pockets can serve as laptop bags for a tablet; There are several separate compartments inside that can effectively store cosmetics, tissues, keys, textbooks, mini for iOS tablets, mobile phones, umbrellas, some sports equipment, etc. 3、FLEXIBLE AND PROGRAMMABLE: The smart backpack with a display can be connected to the for LOY EYES APP via bluetooth to freely edit text, animation and pictures. Feel freely to modify the pattern, let the laptop backpack at will. There is a stylish and cool design that is easy to spot in the crowd 4、TECHNICAL PARAMETERS: LED smart rider backpack appearance using 3D hardcore waterproof material; The back width adopt 1680PVC, 48x48 full color dot matrix screen, supporting text, pictures, GIF and other formats 5、COOL GIFT: The LED rider backpack come with a programmable screen and is the ideal gift to yourself or others for Xmas, birthdays and Valentine Day 6、SAFE AND COMFORTABLE: The housing of the LED rider backpack is made of ABS, PC, 1680PVC material, waterproof and aerodynamic. The straps can be adjusted to suit your needs. The shoulder and shoulder straps are made of breathable sponge. The button on the chest is designed to make you safer while riding Specification Item Type: Motorcycle Backpack Application: For LOY EYES APP Power Supply: USB port power supply Communication Method: Bluetooth Left or Right Eye Screen Count: 48x48 Screen Point Spacing: P2 Size: Approx. 38.1 x 17.8 x 45.7cm / 15 x 7 x 18in Package List 1 x Motorcycle Backpack