Built In Exclusive Booster TechnologyOur projector speakers delivers much louder sound with ease. Dual 4w high-sensitive internal magnetic driver 52mm large horn full range drivers and dual bass ports that bring the richer and deeper bass, boost a loud sound that fills the room without distortion.Flexible Dual ConnectivityWorks with any device that has a standard 3.5 mm AUX jack or Bluetooth, such as PC, laptop, smartphone and tablet. With the Bluetooth feature, this projector speaker allows you to pair your device easily.Portable To Use ArroundExquisite and compact desktop speaker is tailored to save precious space and avoid cluttering, and also conveniently portable for outing use with your friends and families.Excellent 3D Stereo Sound Performance7.1 sound card surrounded stereo, virtual surround and immersive HIFI stereo sound, which provide a while new experience of your favorite songs and games.NOTE: Please conatct the customer service to DOWNLOAD the Sound Card Driver if you are interested.Wireless MusicAdopts Bluetooth 5.0 chip that provides transmission range up to 50 feet for you to wirelessly enjoy every detail in your movies and high-fidelity music.