LED Display: The motorcycle backpack features a unique LED screen that allows you to upload and change different images and texts using the LOY EYES mobile app. Stand out while riding with personalized messages and eye-catching graphics. Waterproof hard shell: The streamlined and hard black shell of the backpack ensures long-lasting performance, and the waterproof design of the shell effectively prevents your items from getting wet. Adjustable shoulder strap size; The back is made of breathable material, which is fashionable and comfortable. Color: Black/Carbon Fiber Texture/Blue/Powder Blue Gradient/Graffiti Backpack Material: ABS, PC, 1680pvc Screen Points: 46*80 Screen Size: 10.4*17.5CM Screen Dot Pitch: P2 Power Supply: Power Bank Communication: Bluetooth Backpack Size: 34.5*22*43cm Weight: 1.6kg Single Package Size: 37.4*23*46.6cm Weight: 3.0KG (including product) Outer Box Size: 46.5*36.5*46cm (2pcs/cton), Weight: 6.0kg 【NOTE 1】As for the transportation safety, we do not provide mobile power,backpack only. 【NOTE 2】 If you found any question and problem after receipt the backpack,please contact us for help firstly. 【NOTE 3】 Since this is newly produced, some kind of smell is possible.Please donot worry about it,put the opened backpack in a ventilated and dry place for some times,no flavor.https://www.youtube.com/shorts/OFTQCY3r63w 【NOTE 4】The price only includes the product, not including any tax. If you have any questions, please contact the Crelander team https://www.youtube.com/shorts/OFTQCY3r63w