Dolby Audio and Latest 5.2 Bluetooth: Built in 2 5W speaker, YG600-Movin brings an ultra clear and powerful stereo surround sound. Genuine Dolby audio ensures crisp highs, strong midranges, booming bass. With latest Bluetooth 5.2 projector, you can enlarger the sound via bluetooth speaker especially in your outdoor backyard. Immersing yourself in a cinematic experience.