1. Wireless Karaoke MachineThis karaoke machine features Bluetooth 5.3 connectivity, ensuring a stable connection of up to 10 meters. It delivers lossless audio transmission, minimizing delay and guaranteeing seamless synchronization between music and vocals. 2. Fun Voice EffectsThe karaoke system includes voice effects (Monster, Baby, Female, Male, and Original Voice). Simply switch between different effects with a short press of the EFF button on the microphone, and to the original voice with a long press. 3. Ultimate PortabilityWith this karaoke machine, you can celebrate anywhere. Its builtin 2000mAh battery provides 34 hours of continuous playback once fully charged. Colorful ambient lighting creates a vibrant atmosphere, enhancing every performance. 4. Multiple Playback OptionsThe Bluetooth karaoke machine supports direct playback via TF cards or Udisks, allowing you to play your favorite songs instantly. It is designed with a onetouch function to eliminate the original vocals, enhancing your singing experience.