ASUS S1 Portable LED Projector, 200 Lumens, Built-in 6000mAh Battery, Up to 3-hour Projection, Power Bank, HDMI/MHL.Pico-projection at only 4 x 4.4 x 1.2 and 0.75lbs for enhanced-portability. Ultra-short throw displays a 41? diagonal projection from just 1 meter away with full color RGB.High fidelity sound through an exclusive ASUS SonicMaster enhanced speaker. Silver