NEBULA by Anker, is the next generation of projection display that delivers an advanced visual and interactive experience-at home and beyond with Ultra-bright HD pictures, High-quality audio and Super-long playtime. Enjoy watching content anywhere with Nebula portable projection. Take your movies anywhere.Dazzlingly bright. Brighter than other projectors to provide clear picture and brilliant contrast.Room-filling sound. Dual 10W speakers equipped with advanced audio technology fill any space with theater-grade sound.Watch longer. Powered by Anker's advanced battery technology to provide up to 3 continuous hours of viewing-away from an outlet.Universal connectivity. Use wireless cast to seamlessly stream content from smartphones and tablets.