1.This mini portable projector is neat and portable. It also comes with a 360-degree rotating base which makes it even easier to set up. Use it anywhere you want.2.Are you worried about your kids having too much screen time? With the new diffuse reflection imaging technology, the mini portable projector reduces eye fatigue significantly. The projection image light is soft and does not harm your eyes.3.Connect to mobile phone, mirroring function,Connect the portable projector directly to your computer, DVD player, digital camera, or HDMI-enabled device. It is equipped with HDMI, USB, TF Card, AV, and Audio ports.4.The mini projector has a built-in HIFI stereo speaker (2.5w) with SRS Sound System. Whether using it indoor or outdoor, the powerful speaker can make your watching experience more immersive. No extra speaker is needed.5.Remember the last time you fell asleep without turning off your portable projector? With the sleep timer function, you will never have to worry about it.