Warm Tips 1. Due to the copyright issue, this projector doesn't support Dolby audio. When you play a video with Dolby audio or MKV format, it might unable to play the sound, please change it to other format videos. 2. The physical resolution is 320*240. 3. This projector doesn't support connecting to your smartphone and casting the screen, you will need an Anycast or MHL cable to reach this function. YG300 Mini Projector Innovative design YG300 Mini projector's Dimensions: 12.50 x 8.50 x 4.50 cm. Net weight: 245 grams. YG300 uses environmental protection ABS plastic. Free of peculiar smells and eliminates industrial pollution Protect your and your family's health. Up to 80 inches picture YG300 Pro Mini projector support project up to 80 inches of the picture within 2 meters. Mulitple ports, plug-in, and play. The shape of the YG300Pro Projector is about as big as a smartphone. Rich peripheral devices interface Portable charger, power, TF card, on/off, CVBS 3-in-1 input, HDMI-compatible 3.5 mm headphone, USB port. Compatible with different devices as much as it can. Easy to use Concise, efficient, easy to use. Next-generation American Bridgelux LED light Yg300Pro Mini projector uses the next generation American Bridgelux LED light Power consumption is 10 - 24W. Environmental protection & energy-saving, no harm to eyes. Great for children's education and toys. Cooling System The portable projector has an advanced cooling system Advanced hydraulic axial fan Good heat dissipation, and low noise Suitable for family entertainment. Adjustable picture resolution YG300 Pro Mini projector has a roller-type focus adjustment, which supports quick picture definition. Work with Powerbank For outdoor using, You can prepare a 9V/2A or a 12V/1.5A power bank for this mini projector.