✪【SIMPLE DESIGN&EASY CONTROL】We believe that too much button will make the machine easy break.So we just make the microphone simple and fashion.Multi-function buttons can adjust the Music, Echo, Volume and PA/R. Free to switch the previous and next song mode. Built-in 2000mAh battery. You can continuously use it for 5-8 hours (in the customary charge for 2-3 hours after full power). ✪【FOCUS WHAT YOU MIND】Before we make this Karaoke microphone.We compare the 100 items on the market..The Greatsmart Microphone use the craft of aluminium alloy and silicone combined.The size is not too big or small,comfortable for anyone use.It's a very beautiful portable handheld microphone.Echo effect is much like KTV, making you feel like being on the scene of karaoke.High-sensitivity microphone to pick up your voice in all directions.You can sing or enjoy music anywhere,anytime. ✪【Real 3 in 1 MULTIFUNCTION】Separable Design(ONLY ONE ON AMAZON)Speaker and microphone 3-in-1 design with detachable head.Bluetooth 2.1 and cable connection are allowed, singing song or enjoying music easily.Remote the microphone head,it as the bluetooth speaker.Buying one product it means you can enjoy two products shape.It can also record your voice when you Karaoke. ✪【SUITABLE FOR ALL AGE】Our microphone doesn't looks like a toy at all.But it suitable for children or adults.It comes with our original gift packaging box.You can buy it as a Christmas/Birthday gift to your friend.Greatsmart Karaoke Microphone Bluetooth Speaker is your mobile Karaoke, no matter you are at home, on your car, at a park, or you are traveling, staying indoor, playing outdoor, singing & music is always surrounding your life. ✪【HIGH COMPATIBLE&STRONG WARRANTY】You can use this microphone with most bluetooth device(No more struggling with wire, compatible with Apple iPhone, Android phones, tablets, etc. Freely take it along with your travel, family or friend gathering, party, shine your voice like a singing star.If there are any questions or concerns, please contact us immediately.12-MONTH MANUFACTURER'S WARRANTY - Full technical support and 24/7 professional customer service..