This karaoke machine offers a complete wireless experience with its rechargeable battery and 10-watt speaker, providing up to four hours of playback. It includes a wireless karaoke microphone with its own LED lights and docking station for charging. Connect your smart devices via Bluetooth or Aux input. Customize your performance with voice effects like alien and chipmunk. Both the speaker and microphone feature LED lights that sync with the music, creating an immersive light show that can be controlled by the user.