Features: Nice and clear sound quality, which gives we and kids the strong shock and heavier sense and makes we all feel like singing in a KTV and sound like a superstar! BT 5.0 technology offers lower powers consumption and stable transmission, up to 10m transmission. Multi playback modes, BT and TF card insert, U disk connection, earphone connection, you can enjoysinging and music fun. 360-degree music surround function, noise reduction, allowing you to be immersed in the singing process and enjoy it more. Built-in 1800mAh rechargeable lithium battery, a full charge can work about 4-5 hours, convenient to use. A mobile phone can connect 2 microphones at the same time. Perfect for gatherings or home KTV, and our kids will have a fun with their friends or family.