ASUS ZenBeam E1R mini projector redefines portable entertainment. It features USB Type-A port connection for both Android and iOS devices and also automatic portrait projection mode that lets users change the projector's orientation while in use so they can easily enjoy social media content and livestreams on a bigger screen. And there's no need to tinker with settings - because the black sidebars are automatically removed as the projected image smoothly transitions from horizontal to vertical orientation.