Details and Specs (from amazon.com):
【 SUPERIOR MOVIE EXPERIENCE 】 CiBest home video projector is 80% brighter than other mini projectors at the same price. Support up to 1080P, 2000:1 contrast ratio, provides an incredibly lifelike image for videos and movies, you may enjoy the happy time with your family or friends at home or outdoor. Meanwhile, the diffuse reflection technology can make the projection image softer and protect your eyes.
【 CONNECT to MULTIPLE DEVICES 】 Works with TV stick, PC, laptops, tablets, Blue-ray DVD player, SD card, USB flash drive, PS4/XBOX/WII, media players (music, pictures, video, TXT), headphone. You can also connect it to your iPad, iPhone, Android smartphones (lightning to HDMI adapter or wireless HDMI dongle, MHL adapter are not included). Not recommend for PPT business presentations.
【 BIG SCREEN & STEREO SPEAKERS 】 It provides a watching size from 30″ to 200″ with the distance from 2.62ft to 14.8ft. The optimal image size is about 60 – 80″ with 3.9 – 8.2ft projection distance. The built-in speakers provide stunning sound effects. Also, you can connect your home theater system for a better sound via the 3.5mm audio output.