Fashion LED Backpack Smart Advertising Business Backpack Waterproof LED Display Backpack Smart Stylish and Functional Backpack with Bluetooth for Adults

【FULL COLOR LED BACKPACK】The LED backpack is made of waterproof cloth with full color dot matrix screen.It is a programmable screen technology backpack,you can load your own pictures and GIF animations from your phone,or customize it in the APP and doodle creative pictures and text.Suitable for holiday wishes,traveling,work,advertising,hiking. 【DURABLE ＆ STYLISH】 Made of waterproof,scratch-resistant materials，beautiful and durable.Adjustable wide shoulder straps and mesh back panel for comfort,breathability and stability. 【SUPER CAPACITY】It has a large capacity with a expandable storage to store bottles,books,documents,wallets,pens,cell phones,tablets,mobile power,laptops,etc.It is a good companion for your daily work,study,traveling and so on. 【HOW TO USE】1.Connect your power bank 2.Download the APP 3.Connect Bluetooth 4 .Start Using (Please refer to the manual for using this product) 【WARRANTY】 We offer 12 months warranty and 24/7 customer service.If you have any questions about the product,please contact us.