The small ZenBeam E1 projector is an Android- and iOS-compatible mobile device. Being as small as the palm of your hand, the projector is thin and light with its integrally molded, aluminum-alloy case. The simple, elegant, and round design features an ergonomically easy-to-hold structure. The lens cap has fine concentric patterns, enabling the user to project images simply by sliding the cap. The built-in battery, which can be used continuously for five hours, can also be used as a mobile battery rated at 6,000 mAH, providing a user experience backed up by portability and multiple functionality.