DR. J Professional projectors use the latest chip technology with a native resolution of 1280x720 (supports 1080P) high brightness and high contrast providing clear viewing images. Dual-band 2.4/5G WiFi can achieve fast wireless screen sharing. Built-in newly upgraded Bluetooth 5.2 with two modes of transmission and reception which means you can use the projector as a speaker to play music. The aspect ratio of video projector is 16:9/4:3 With a variety of projection settings it s easy to play on the big screen! The video projector s own height and built-in 30° mini stand allow you to get the same height picture without an additional tripod bracket. It is also more mini and portable saving you more space.The newly upgraded V18 portable projector measures 6.7 x 5.1 x 4.7 inches and weighs 1.9lbs making it easy to carry it anytime anywhere!