BLUETOOTH 5.0 - Pair the speaker with your smartphone, tablet, Mac, or laptop to play music wirelessly, no need to deal with messy wires." "SUB OUT AND OPT/COAX INPUTS - Sub-out output works with external subwoofer. Optical and coaxial inputs to ensure a lossless connection to TVs and computers." "DISTORTION-FREE SOUND - Fill your room with beautiful sound with its 42W continuous undistorted power, 13mm silk dome tweeter unit, and 4-inch sub-woofer unit." "REMOTE CONTROL - Wireless remote for easy control of volume, mute/unmute, switch OPT/COAX mode, switch line-in, and Bluetooth mode. Bass, treble, and volume control buttons located on the side panel." "2 YEAR WARRANTY - Guaranteed high quality and reliability with hassle-free parts and labor warranty for two years in USA and Canada.