Feature: 1. [Smart LED Display] This backpack with a programmable screen can be connected to for NR SPARK APP via Bluetooth, allowing for easy customization of text, animations, and images. 2. [Ample Storage Space] Featuring a large zippered pocket that can store laptop, multiple internal compartments offer storage for cosmetics, tissues, keys, textbooks, phones, umbrellas, etc. 3. [Reliable Construction] The hard shell is crafted from ABS, PC, and 1680pvc materials, water proof and aerodynamically designed for durability. 4. [Comfortable and Adjustable] The shoulder straps are made of breathable sponge material, offering comfort during wear, while adjustable straps cater to individual preferences for a personalized fit. 5. [Safety Features] Designed with chest buckle for added safety while riding, this LED motorcycle backpack ensures peace of mind and security on the go. Specification: Item Type: Motorcycle Backpack Material: ABS, PC, 1680pvc APP: for NR SPARK APP Power Supply: USB Interface Power Supply Left Right Eye Screen Resolution: 32x48 Communication Method: Bluetooth Screen Pitch: P2 Size: Approx. 38x22x47cm / 15x8.7x18.5in Expand Size: Approx. 38x34x47cm / 15x13.4x18.5in. Package List: 1 x Motorcycle Backpack Note: This product does not include a portable power bank.