ASUS ZenBeam S2 Portable LED Projector - 500 Lumens, 720P, USB-C, Built-in 6000mAh Battery, Power Bank, Short Throw, Horizontal & Vertical Keystone Adjustment, Auto Focus, HDMI Simple yet powerful, high mobility, easy setup, intuitive interface Award-Winning Design Bright and Crisp 120” Projections ZenBeam S2 with 500-lumen light output and 720P (1280 x 720) with 100% NTSC color space coverage it can provides crisp and bright image. Maximize big-screen thrills in minimum space with short-throw that require as little as 40'' (1m) to project stunning 120'' (3m) images. Built-in 6000mAh Long-Lasting Battery ZenBeam S2 features a built-in 6000mAh battery that delivers up to 3.5 hours of operation on a single charge, plenty of time for even the longest presentations and movies. The battery and built-in USB-A port with 5V/1A power output also enables ZenBeam S2 to act as a portable power source for charging a phone or other mobile device. 2D Auto Keystone Correction & Auto Focus Automatic horizontal and vertical keystone adjustments of up to ±30 degrees to correct for trapezoidal distortion that can occur when projecting at an angle. This automatic correction allows the projector to be placed off-center, so presenters can stand in front of the screen without blocking the image. Built in focus sensor measuring the distance between the projector and the screen, the ZenBeam S2 can adjust the focus of the projected images automatically. It's perfect to set up easily and quickly in various environment. Comprehensive USB-C and HDMI Connectivity ZenBeam S2 features USB-C and HDMI ports to provide maximum compatibility with external devices. The reversible USB-C™ port supports signal and support 5V/1.5A power output simultaneously via one cable. USB-A also provides 5V/1A power output for devices charging. Project in a Variety of Ways – Wireless Projection Wireless projection eliminates the hassle and extra cost of running long cables, letting you effortlessly stream content from your smartphone, tablet or other mobile devices for high-definition entertainment or presentations anywhere. Built-in Speaker with ASUS SonicMaster Technology ZenBeam S2 built-in 2W stereo speaker with ASUS SonicMaster certified, it ‘s developed by the ASUS Golden Ear team, delivery with a wider frequency range for clearer vocals and rich, deep bass. SonicMaster is a tailored mix of superior hardware and clever software designed to give you full audio controls for truly immersive sound for movies, music, and games.