🎒 Tech-Savvy Men's DIY Backpack with Screen Programmable Display, 24L Capacity Review

【Materials and Applicable Scenes】This LED backpack is made of waterproof oxford cloth, built-in 64*64 full color dot matrix waterproof screen. It is a programmable tech backpack for portable billboards, ads, holiday wishes, slogans and business promotions. Suitable for commuting, travel, cycling, outdoor adventure, work, school bag, hiking backpack, or even a surprise gift for friends. [how to use]: Download led space application from Google game store or app store. Connect the power pack using the built-in USB port (inside the backpack). Connect the ys + device number Bluetooth hotspot. After successful connection, open the LED space application. You can add subtitles, GIF animations and images and display them on the LED screen. The backpack is compatible with any mobile power supply with more than 2A output. A 10000 MAH mobile power supply can last 6 hours for the backpack. 【Colorful text graffiti】In the APP, you can enter text or upload your favorite pattern and create your own style of DIY graffiti, such creativity is too cool!Languages supported by app: English, French, Spanish, simplified Chinese, traditional Chinese, Japanese, German, Portuguese, Russian. 【Space Capacity】It can hold (24L capacity) double-layer storage with multiple compartments in each layer, which is convenient for things like water bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, 15.6-inch laptops, etc. to meet the needs of daily work and study and travel. 【Customer Service】Don't worry about after-sales service, if you have any questions or need technical support, please feel free to contact us.