【BLUETOOTH 5.0 TWS TECHNOLOGY】: This bluetooth karaoke speaker 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.