【Strong Sound Penetration】The Karaoke Machine offers unparalleled hi-fi sound quality, providing powerful and balanced sound with minimal distortion. As a singing toy for girls and boys aged 3-14, the volume is loud enough.【Long Playing Time and Lightweight】Convenient to Carry, Built-in rechargeable battery ensures 5-10 hours of entertainment time. The portable speaker has a compact size of only 2.8*2.8*2.8 inches, and the diameter of the microphone handle is only 1.4 inches, making it easy for even a 3-year-old girl to hold. The corners and edges of the karaoke machine and microphone are soft and smooth, suitable for safe use by boys and girls aged 4-10.【Fun Voice Changer and LED Lights Effect】The mini karaoke machine toy has built-in LED light show that can turn any room into a music hall, suitable for the whole family to play together, enhancing children's singing ability and promoting parent-child interaction. With 6 fun voice changer options, it brings more enjoyment to children.【Easy to Use】 Turn on the kids' karaoke machine, the equipped wireless microphones will automatically connect, making it an easy toy for children to use. Stable Bluetooth technology ensures effortless connection to smartphones or tablets, supporting various applications, as well as TF card and USB flash drive reading, providing multiple ways for you to enjoy the fun.【Creative Gift for Children】 This karaoke machine toy is highly practical, entertaining, and interactive, making it an ideal toy for boys and girls aged 3-14. It can inspire children's love for music and serves as an ideal gift for back-to-school, birthdays, New Year, and Children's Day!