BenQ GV31 1080P LED Portable Smart Projector with Rotating Angle Projection. GV31’s rotating lens offers an incredible range of projection angles. Project at a high angle for a laid-back experience with full 1080p HD and unlimited options without having to create a makeshift stand. The integrated 2.1-channel sound system with dual 4W midrange tweeters and an accurate 8W woofer offers cinematic sonic immersion. GV31’s expressive audio performance elevates movie nights, and you can play music straight from the GV31 via built-in streaming apps and the dedicated wireless speaker mode. The dual-sided sound diffuser features a base designed for better audio from any angle! Stream and watch on your ceiling without sacrificing sound quality. BenQ GV31 brings you all your favorite TV shows and movies on a big screen, and even accepts voice search commands. Best of all, BenQ portable projectors are super easy to use, letting you watch, play, and do everything you love, only bigger and better and without the hassle of a complex setup. GV31 works with almost every streaming device, plus supports Apple AirPlay and Google Chromecast so you can easily stream from your phone or tablet!