1 Pc Multi-Function Handheld Karaoke Machine

Professional wireless bluetooth karaoke mic microphone , enjoy your music! multi-function button can adjust music, echo, volume. you can switch between the previous song and the next song mode. adjustable echo length effect for super surround, immersive. the usb port allows you to plug in usb and convert to mp3 and play it directly.!! perfect gift for family, kids, friends, colleagues!