Upgraded Version:Support 5V/2A portable power bank supply input (A 5000mAh Power Bank can last 3 hrs). Go Places and Take It with You・ Or Stay Put and be Transported・ A Portable Mobile Theater / Cinema! With AV USB HDMI TF Card Slot・ Perfect for Holiday Night Entertainment.<br /><br />Pretty LOOK DESIGN -- Super Mini Size likes a Smartphone・ Best choice under $65. Uses a new generation of Bridgelux LED light source・ the power consumption is 10W-24W・ energy saving and environmental protection・ no harm to eyesight. It is a good assistant for children Cartoon Watching and ART WORK PROJECTION・ and also an attractive children toys.<br /><br />Small・ but made for BIG things. Image size:24-60 Inches・ Projection distance:1~3M.We suggest best Projection Distance:1.5-2M; best Projection Size:40~55 inches・ which can make you obtain best User Experience.<br /><br />High Efficiency・ Simple・ Easy to Operate it. Native resolution: 320x240(Not Full HD・ Plz consider it meet your expectation before buy); 400 lumen; Contrast: 800:1; Ratio: 1.6:1;<br /><br />Easy to take and travel. 5 x 3.4 x 1.9in mini Size and weight just 10oz: Notice:  DP310 is Not recommend for WORK EXCEL PPT or business presentation・ ideal for home theater movie and video game in dark environment. Enjoying watching movie at home and outside for courtyard movie or camping<br /><br /> update smallest mini led projector for video game・ movie night in your bedroom・ big screen home theater.<br />USB input port is