Welaso 21 Inch LCD Digital Backpack, Touch Screen, 4G RAM, 32G Storage, Flippable Screen, Portable Whiteboard and Mobile App Support

21" inches LCD digital video advertising backpack . Great for street level advertising! Product specifications: LCD screen size: 21 inche Touch screen： Support Mobile App Control: Support Battery Running Duration: ~2 hours, user can purchase additional batteries to extend the running time if need. Store capacity: 4G RAM +32 G Storage Mobile Wireless screencasting： Support Wifi: support Whiteboard: support iPhone /iPad Screen Mirroring: support Share mobile phone screen to LCD backpack screen in real-time： Support USB Port: support TF Card: Support Video player format: mp4, mpg, rmvb, avi, mov, flv Remote controller： Support Network: Support Resolution: 1920*1080 Product weight: about 16 lbs Packing list: 1. 21 " inches LCD backpack 2. Adapter/Charger 3. Controller 4. Wireless Mouse 5. Rechargeable lithium battery 6. Switch cable 6. User Manual