One year replacement privilege.Super Sound Quality-Portable Bluetooth speaker and 2 wireless microphones are equipped with a high-performance audio driver and an advanced digital signal processor, which make the sound clearer and bring you perfect singing experience. | PLAY ANY SONG - Pre-Loaded with 18 Nursery Rhymes - Twinkle Twinkle Little Star, Wheels on the Bus, ABC's, and more! All your little one's favorite karaoke songs! With Bluetooth 5.0, you can also connect karaoke machine to a phone/tablet to play any music from any music app like Spotify, YouTube, or Apple Music,etc.At the same time,one key to remove/restore vocals from Bluetooth music, sing along and have fun! | Long Playback Time-Built-in rechargeable battery, ensures 5-10 hours fun. Quicker charging, and long-time lasting. Having fun without any interruption.Birthday party, meeting, classroom, outdoor activities...This portable Bluetooth speaker and wireless microphone will meet all of your "fun singing" needs. | Multi-function Karaoke Machine- Come with 4 kinds of magic voices, fun and interesting for kids. The LED lights beats with the rhythm of the music, creating a fun atmosphere. Headphone output port on back. Perfect for singing practice, home family karaoke, small enough to bring when you travel. | Gift It-Stylish design and beautiful package box make it perfect birthday Christams gift for 3, 4, 5, 6, 7, 8, 9, 10, 11, 12+ year old girls boys teens.With this ultra-portable karaoke machine, everywhere is the stage. Cool Birthday or festival gift for your kids, friends or family.