Expandable Space: The capacity of the LED backpack is 40L. After unzipping the expansion zipper of the backpack, the backpack capacity reaches 55L. The interior of the backpack has a multi-layer pocket design to meet the storage of different objects, documents, helmet and laptops.

High-quality Material: Made of high-quality ABS+PC material, it is waterproof and scratch-resistant, and has good impact resistance. It is designed with chest and waist safety belts (detachable). The double shoulder straps are added with thickened cushioning sponge, comfortable and breathable. The thickened shoulder blade pad on the back provides support and is more comfortable.

Easy to Use: Step 1: Plug the USB data port of the LED backpack into a power bank and turn on the power (The power bank is not included.). Step 2: Scan the QR code and download the APP.Step 3: Connect via Bluetooth and customize or choose different pattern effects according to your preferences.

Vehicle-machine Interconnection Module: RKV86 led motorcycle backpack supports vehicle-machine interconnection. After installation and setting according to the tutorial video,the vehicle's steering and braking can be synchronized on the backpack's display screen with specific animations. It amplifies the visual perception and makes your riding safer.

DIY Freely: The LED backpack has a stylish and cool design. It is equipped with a 9.5"*6.3" LED display screen, mobile phone linkage operation, personalized patterns,can be set. You can DIY text, animation and pictures according to your mood. Suitable for travel, hiking, cycling, commuting, outdoor, etc..