The QFX PBX-155 is a 15in woofer rechargeable party speaker system with wired microphone and remote control. This versatile PA speaker system packs a punch delivering full-range audio along with separate bass and treble controls. Connect the included wired microphone, adjust the mic echo and volume and youve transformed your speaker into a karaoke machine. Keep the party alive with brilliant RGB LED party lights while playing music from a variety of sources including Bluetooth-enabled devices, music stored on USB drives, TF cards or connect your favorite portable audio player directly to the auxiliary input. Add a second PBX-155 and enjoy True Wireless Stereo TWS sound.