ASTONISHING SOUND: The mini portable karaoke machine has a built-in professional tuning grade speaker, and the breathtaking stereo sound with exceptional clarity and zero distortion by the high-sensitivity drivers,perfect for home parties and outdoor events. 6-10H WORRY-FREE BATTERY LIFE: Long-life rechargeable battery technology. Quicker charging,and it can doubles as a power bank to charge your smartphone/tablet, long-time lasting design in order to make it easy to bring the party with you wherever you go,perfect for parties and family gatherings! BLUETOOTH 5.0 TWS TECHNOLOGY: This bluetooth karaoke speaker for kids and adults with 2 microphones that automatically connect to each other, adopts new bluetooth 5.0 technology ensures instant pairing, providing stable transmission and 50ft long-distance without obstacles.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 VOICE & COLORFUL LIGHTS:The PA karaoke system is equipped with colorful disco lights and has an independent button to switch the lights.5 magic voice effects: monster, baby, female, male,original/accompaniment,this Bluetooth party speaker is providing endless fun and happiness for adults and kids.