Projector Built-in Battery Powered - Up to 1-1.5hrsThe rechargeable projector with 3000mAh battery operated, You can easily finish 1-2 episodes of TV dramas without worrying; and it also comes with a DC cable to ensure you can always continue to use it without being interrupted. It's a perfect bedroom projector, and also a totally wireless outdoor projector. Native 1080P Full HD Projector - Small but PowerfulWith 1920*1080 native resolution, impressive 9000L bright-ness( within DC Power Mode), and 10000:1 high dynamic contrast ratio providing a sharper, brighter, and richer visual feast, the BIGASUO video projector is an excellent device that allows you to watch HD movies. (Portable Projector with Tripod) Compact Projector with Bluetooth & HiFi Stereo SpeakerThe small movie projector has built-in dual speakers that restore every detail sound effect and excellent auditory sense experience; and with the latest Bluetooth 5.