Easyjoy Mini Portable LED Projector Home Cinema Theater PC Laptop VGA Input USB HDMI (White) Mini Size for easier bring and moving. This mini projector can be powered by a power bank. But the image will not as bright as powered by the charger. 120 Lumens Brightness. Native Resolution 800x480, support 1080P. Contrast 200:1. Projection Size 10-100 inches, Projection Distance 0.5-3.5M. Easy changing aspect ratio between 16:9 and 4:3, provide super clear picture. Multi-function interface: Video in / USB Play / SD card play / VGA PC / HDMI. You can choose enjoy the moment with yourself in 3.5mm earphone port. Long projection life: The LED technology in the projector provides up to 20,000 hours (Normal Mode) of service and does not require LED / lamp / bulb replacement. Projecting from external devices like your smart phone, laptop, tablet, PC, TV, game consoles, camera and others! Convenient to carry with, so that you could share the wonderful time with your friends and family anytime and anywhere.