This backpack is perfect for anyone in need of a high-quality, waterproof option to carry their belongings. What makes this backpack a STANDOUT from the rest, is the functional LED screen which which works directly with your mobile phone once you download the online app from IOS or ANDROID. The app allows you to design and create or "speakout" anything you wish to say or do including photographs or other. It also works great to advertise your business as you walk down the street holding drinking your coffee. At night the screen illuminates brightly and is a great attention getter! With a large interior, you can easily fit your laptop and more, and the LED screen adds a modern touch. In terms of style, this backpack is a sleek and stylish option. With a black color, it's perfect for any occasion or outfit. The backpack is also designed with durability in mind, making it a great choice for outdoor activities or travel. Features like waterproof materials ensure that your belongings stay safe and dry. Whether you're a student, traveler, or just in need of a reliable backpack, this option is sure to meet all your needs. Supplies are limited so please act fast! Comes ready to use. Requires Batteries.