Built-in 6,000mAh Battery – provides up to 3 hours of projection and doubles as a power bank for your mobile devices Ultra-portable, yet Fully Capable – housed in Zen-inspired aluminum, this 200 lumens, best-in-class short-throw projector gives a 41-inch diagonal display at 1 meter The Fullest Multimedia Experience – HDMI/MHL input port, and its integrated ASUS SonicMaster speaker brings true-to-life sound S1 Travel: available in the gorgeous new color of lcicle Gold