5.25 bass driver for subwoofer The power of music Enjoy the true magic with crystal clear sound and love music in its every detail. The powerful subwoofer device can add to the joy of true music and your playlist can do the wonder. Bluetooth 4.0 version and supporting NFC function Music on the go Simply connect your Bluetooth device to the speaker and let the party begin! Now you don't have to stick to one place to control your music. Be on the move and enjoy your favorite tracks. lug & play USB/SD card reader Carry your world Experience hassle free music with Plug & play USB/SD card feature. Store your favorite songs in your card and simply plug in for an all new experience of music. Fluorescence full function remote control For the hassle-free music Enjoy an all day long music experience while sitting on your couch. Control your music with the fluorescence full functional remote control and enjoy the musical trance.