Immersive, Clear Sound: The mini karaoke machine features unmatched HI-FI sound quality and advanced technology to deliver powerful, balanced sound while minimizing distortion. Loud enough to be used as a singing toy Long Playtime: This kids karaoke machine has a built-in rechargeable battery that provides up to 8-10 hours of playtime. Whether it's a birthday party, classroom activity, or outdoor adventure, this portable Bluetooth speaker and wireless microphone will keep you entertained Fun Voice Changer: 5 magical voices add some excitement to your karaoke party! The kids karaoke machine includes Girl, Boy, Baby, Monster, and Original Voice. Sing your heart out in a fun way Vivacious Lights and Versatile Functions: The karaoke machine features dazzling and colorful lights to create a visually captivating performance. In addition, the karaoke machine offers a variety of multi-functions, including Bluetooth connectivity, professional-grade audio effects, voice modulation, and KTV-level sound effects, providing endless entertainment possibilities Great Gift Idea for Kids: This kids karaoke machine is an ideal gift for parties, birthday gifts for 4, 5, 6, 7, 8, 9, 10-year-old boys and girls! It is a great gift choice for various festivals such as Easter, Christmas, Valentine's Day, Halloween, Thanksgiving, New Year, etc. Product Guarantee: Enjoy our friendly customer service. The package contains a karaoke machine, a wireless handheld microphone, a charging cable, and a user manual. If there is any problem with our product, please feel free to contact us, we will be very happy to solve it for you Note: The microphone head is too close to the speaker, which will make a sharp and strange sound, which is a common sound reflection, so please try to avoid the microphone head being too close to the speaker.