【LED Backpack】High-quality Laptop Backpack with LED Full-Color Screen can dynamically display your favorite text pictures and animations. 【Easy to use】1.Plug the backpack into a power bank;2.Mobile download APP;3.Connect WIFI.Every backpack has a manual, don’t worry about not using it. 【Colorful Text and Graffiti】Enter the words you want to say and creative graffiti in the APP to play on the backpack,You can advertise or show love,Details for A+. 【Pictures and Animations】Uploading pictures in the app is as easy as sending an emoji on whatsapp. It can dynamically display GIF. 【High-Quality Laptop Backpack 】15.5 inch Laptop Backpack Waterproof High capacity can meet the needs of daily work and study. 【100% Risk-free Purchase】Full Money Back or Replacement for any dissatisfaction and easy-to-reach support. If the APP cannot connect to the backpack：Firstly, use the mobile phone to connect the backpack wifi, and then open the app will prompt to select the connection method, select WiFi to find the device, and then connect it.If there is no success, please exit the app or disconnect WiFi, Please see the video in QA,repeat the operation in the video; please contact our professional after-sales team to help you solve the problem

If you are looking for a backpack, I will recommend this new fashion LED backpack to you. It is no longer a traditional backpack, but a more interesting and creative backpack. For example, it can be used as a portable billboard,advertising screen, holiday wishes, slogans,business promotions,commuting,cycling, school bag, hiking backpack,showing your personality and creativity, or even surprise gifts for friends.this LED backpack is perfect for you,you will love it. Lots of interesting function in app, like graffiti. Use the mobile phone to control wirelessly, and publish programs to the screen at any time, which is convenient and quick!