Enliven every party with style using Naxa’s Wireless Portable Karaoke Speaker (NDS-1507). The sleek, modern 15" subwoofer with the 42 LED ring flashing light effects fills the air with a reverberating high-quality sound of up to 3,600 watts. Affording you plenty of versatility in usage, this speaker stack comes with a 6.3 mm karaoke, 6.3 mm guitar, and a 3.5 mm auxiliary input. Customize your sound as desired with 5 control levels: master volume, treble, bass, echo, and mic volume. Simply connect wirelessly via Bluetooth with your external media devices. Take advantage of the FM radio tuner and built-in MP3 player that supports both USB and SD memory cards. Easily portable with a telescoping handle and trolley wheels.