Amazing Sound: The mini portable karaoke machine has built-in professional tuning-grade speakers, and the high-sensitivity driver provides amazing stereo sound with high clarity and zero distortion, which is perfect for family gatherings and outdoor activities. 6-10 hours worry-free battery life: Exclusive long-life rechargeable battery technology. It charges faster, and it can double as a power bank to charge your smartphone/tablet, and the long-lasting and durable design makes it easy to party wherever you go, perfect for parties and family gatherings! Bluetooth 5.0 TWS Technology: This Bluetooth karaoke speaker for kids and adults comes with 2 microphones that can automatically connect to each other, and uses the new Bluetooth 5.0 technology to ensure instant pairing, providing stable transmission and 50 feet long-distance barrier-free transmission. This karaoke machine supports TF card, USB and AUX input connections, and is compatible with Android devices, TVs, iPads, tablets, car karaoke and PCs. 5 Magic Sounds and Colored Lights: The karaoke system is equipped with colorful disco lights and has a separate button to switch the lights. With 5 magical sound effects: Monster, Baby, Female, Male, Original/Accompaniment, this Bluetooth party speaker provides endless fun and happiness for adults and children.