1.With bluetooth function,Support to Karaoke APP connection on cellphone to sing in sync with tone & lyric
2.As a bluetooth speaker,Play music by connecting to cellphone
3.As a microphone to amplify your sound
4.Built in high stereo external magnetic speaker 4Ω 5W*2+diaphragm
5.Material:ABS plastic+Aluminum
6.Built in 3000MA li-polymer battery
7.Support TF card,3.5mm jack
8.With record and record playing function
9.With Treble & Bass function