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. Set Type: Karaoke Player Sets Transducer: Condenser Microphone Use: Karaoke Microphone Style: Handheld Microphone Frequency response range: 40Hz-20KHz model: P2Shell rated voltage: 5V Directional feature: Heart-shaped Bluetooth version: 5.0 Children's microphone: Presided over children' s toys With wireless: nothing Rated power: 6 Is there a built-in battery?: Built in battery size: 75 x 65 x 85mm Material: ABS colour: blue Package Contents: 1 x portable speaker 2 x microphone 1 x USB cable 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.