This projector adapts the newest generation of LED light source, it saves energy and protects the eyes. It is not recommending for PPT or business presentation, ideal for home entertainment in dark. -Compact and cute design, a perfect combination of art & technology. -Its 500 Lumens brightness and 320*240 native resolution provide exceptional display quality. Support aspect ratio between both 16:9 and 4:3. It is a good choice for home theatre, and also great toy projector for kids play and education. -Speakers built-in projector, no need connects with any extra speakers. -Many kinds of input ports(VGA/USB/SD Card). Connect your PC / Laptop / DVD Player to enjoy videos or movies.