• 【Space capacity】12.2*7.9*18.5 inches (31*20*47CM), weight about: 3.74 lb (1.7KG), Capacity: 29L , each layer has multiple compartments, convenient Holds water bottles, books, documents, wallets, pens, phones, tablets, power banks, 16" laptops and more. Meet the needs of daily work
• 【Material and applicable scene】This LED backpack is made of 900D waterproof material, built-in 64*64 full color dot matrix waterproof screen, the screen can be split separately, USB charging port, comfortable and breathable cushion, this is a programmable technology Backpack, suitable for portable billboards, advertisements, holiday wishes, and commercial promotions. Suitable for commuting, travel, cycling, outdoor adventure, work, hiking backpack, it is a surprise gift for friends.
• 【How to use】Download the LED Space app from the Google Play Store or App Store. Use the built-in USB port (inside the backpack) to connect the power pack. Connect to the device Bluetooth hotspot. After a successful connection, open the LED Space app. You can add subtitles, animated GIFs and images and display them on the LED screen. Upload your favorite patterns and DIY doodles, this backpack is compatible with any power bank that outputs more than 2A. A 10000mAh power bank can last for 6 hours.
• 【Color Text Graffiti】In the app, you can enter text or upload your favorite pattern to create your own DIY graffiti style, the creativity is so cool! App supported languages: Chinese, English, Traditional Chinese, Japanese, Korean, Thai, German, French, Spanish, Russian, Latin, Portuguese, Italian
• Please configure the power bank yourself and download the APP: "LED space"
• Backpack Features: 180° opening method, Wet and dry separation bag, Selected 900D waterproof material, Wear-resistant and scratch-resistant, Environmental protection, Large capacity space, USB charging port, Back anti-theft bag, Can be inserted into the suitcase ,Comfortable and breathable back cushion,Breathable back
• THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER.

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