Wireless Karaoke Machine with Bluetooth 5.3 connectivity offers a stable connection up to 10 meters, lossless audio transmission, and minimal latency to keep music and vocals perfectly in sync. Voice effects on the microphone include Monster, Baby, Female, Male, and Original. Switch effects with a quick press of the EFF button on the mic, and long press to return to the original voice. Ultra portable with a built-in 2000 mAh battery providing about 3-4 hours of continuous playback on a full charge. Colorful ambient lighting creates a vibrant stage atmosphere to enhance performances. Multiple playback options include direct playback from TF cards or U-Disk, enabling you to play your favorite tracks without an extra device. The design also features a dedicated one-button vocal cancel to improve your singing experience. Practical use scenarios: - Home karaoke parties or family gatherings for quick setup and reliable performance. - Outdoor events, picnics, or camping trips where Bluetooth range and portability matter. - Travel or on-the-go karaoke sessions with friends, without needing a power outlet. Key attributes: wireless operation, compatibility with TF card and U-Disk, built-in battery, voice effects, vocal cancel feature, and ambient lighting for enhanced performances.