Features Large Capacity: This fanny pack has a large capacity, the front pocket of the backpack can hold a mobile power supply, the main compartment has multiple small compartments, which is large enough to hold your daily necessities. Programmable Screen: The backpack has a built in 7.7 x 7.3 inches soft LED screen. And you can choose animations and patterns to display on the screen through the application software, or you can edit and upload pictures by yourself. Adjustable Shoulder Strap: This fanny pack comes with an adjustable shoulder strap, you can adjust the length of the strap and wear it on your chest, back and waist. Easy To Use: Download the for SPOTLED app from the for Apple app store or scan the QR code in the user manual, long press the power button to activate the LED screen and connect to your phone's bluetooth hotspot. In the app. Wide Application: This fanny pack can be used for advertising, holiday greetings, banners and business promotions. It's perfect for commuting, traveling, biking, outdoor adventures, work and hiking backpacks. Specification: Item Type: LED Display Fanny Pack Material: Oxford Cloth Power Supply: USB Interface APP: for SPOTLED APP Connection Method: Bluetooth Application: The fanny bag can be used for advertising, holiday greetings, banners and business promotions. It's perfect for commuting, traveling, biking, outdoor adventures, work and hiking backpacks. Package List: 1 x LED Display Fanny Pack Package List 1 x LED Display Fanny Pack