- 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+.
- Uploading pictures in the app is as easy as sending an emoji on whatsapp. It can dynamically display GIF.
- 15.5 inch Laptop Backpack Waterproof High capacity can meet the needs of daily work and study.
- High-quality Laptop Backpack with LED Full-Color Screen can dynamically display your favorite text pictures and animations.
- 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.