Philips PPX4835 Pocket Projector, 350 Lumens, LED, 720p, HDMI, USB, 120" Display Portable LED Hi-Def Projector with Smart Engine 720p HD resolution for brilliant colors and contrast Projects HD videos, images and presentations up to 150" in size (diagonal) HDMI/MHL interface for connection to mobile devices like notebooks, tablets and smartphones Projects HD videos, images and presentations up to 150" in size (diagonal) Built in 3-watt speaker for clear, bright sound. Internal battery lasts 3 hours on full charge