SMALL & PORTABLE: This pocket size projector is only 11.9cmx8.6cmx4.8cm (), not much bigger than your smart phone. Thanks for its mini portability,you can take it anywhere and anytime. Whether you are watching movies, playing games, or enjoy sports livestreaming, outdoor camping or party with friends, this is your great private theater. POWERED BY A POWER BANK: The projector does not have its own battery, it needs a 5V/2A power source such as a wall charger or power bank. Great for travel, hiking and camping where there's no electricity or TV. Also popular with children. MULTI PORTS: Equipped with various ports such as USB / HD / AV / SD / Audio. It can be easily connected with your smartphone,TV Stick, or tablet, laptop to play video,TV series, sports livestreaming, games etc. PERFORMANCE: 50 Lumens; Support resolution: 720P; Aspect ratio: 4:3 or 16:9; Projection distance: 1-2m; Projection size up to 60 inches. Built-in speaker provides authentic soundtrack makes it a wonderful sound enjoyment. HOW TO CONNECT : To realize direct connection with your smartphone,tablets or laptops,you need a lighting to HD , a Micro USB to HD or a Type-C to HD adapter which depends on your ios or android devices. To realize wireless connection, a Wi-Fi display adapter is needed to Screen Mirroring & Screen Cast. (NOTE: Adapters not included in the package.)