You can connect to U-Disk/Hard Drive, Mac, PC, Laptop, DVD or Cable Box.
The USB port is only for U-disks and hard drives, not phones.
For smartphone, you need HDMI adapter (not included)
Clear Image : Projector 1280 x 800 resolution and 320 x 240p native resolution (support 1080P), can provide clear image in dark environment
Best image size 50 inches from a distance of 2 meters which can give you the best user experience
What's included : 1x Projector; 1x Power Plug; 1x Remote; 1x AV Cable; 1x User Manual.
Notice: SEC YG300 is not recommended for classroom or business presentation, use required in dark environment
Enhance your entertainment experience with the YG300 for Movies, TV, Gaming and Music.
The Portable Mini Home Theatre LED Projector; With remote controller YG300 400LM, supports HDMI, AV, SD, USB interfaces (Yellow) is evocative, to say the least, but that's why you're drawn to it in the first place.