Features 1、Spacious Storage Space: Measuring 15.7 x 11.4 x 5.1 inches, this LED laptop backpack provides ample storage space with multiple compartments to store personal items such as wallets, keys, tablets, phones, umbrellas, sports gear, and even a 16 inch laptop. 2、Full Color LED Screen: This stylish LED backpack stands out from the rest with its full color LED screen, enabling easy modification of images and text using a smartphone application. Additionally, our gear pack features customizable shoulder straps to ensure optimal comfort and breathability during long rides. 3、Programmable: The riding backpack is programmable and comes with a display screen can be connected via Bluetooth to the for SPOTLED APP, allowing for customization of text, animations, and images. Please note that due to transportation restrictions, this product does not include a power bank. 4、Excellent Nylon Material: This LED backpack laptop bag is made of excellent nylon material, which is strong and abrasion resistant, not easy to be damaged, long service life, water proof, and can be used in many situations. 5、Wide Application: The LED motorcycle backpack is designed to be water proof, spacious, and capable of meeting the daily needs of study or work. Not only is it practical, but it also stands out, making it ideal for outings in the morning or late at night. Specification Item Type: LED Backpack Application: for SPOTLED APP Power Supply: USB Interface Power Supply Screen Size: Approx. 25.6 x 25.6cm / 10.08 x 10.08in Screen Resolution: 64 x 64 Communicating Method: Bluetooth Backpack Size: Approx.40x29x13cm/15.7x11.4x5.1in Package List 1 x LED Backpack