Enliven every party with style thanks to Naxa’s 15-Inch Portable Party Speaker Combo Kit (NDS-1515). The sleek, modern 15" subwoofer with multi-color LED light effects fills the air with a reverberating high-quality sound of up to 4,000 watts. Embrace your inner musician and become the star of Karaoke with the included wired microphone. Customize your sound as desired with 5 control levels, including the master volume, treble, bass, and mic volume. Built to be user-friendly, simply connect wirelessly via Bluetooth with your external media devices and begin listening to your favorite tracks immediately. Take advantage of the FM radio tuner to tap into your local radio stations. Comes with a built-in MP3 player that supports both USB and SD memory cards. Easily portable with a telescoping handle and trolley wheels.