Gomeir Bluetooh Karaoke Smart Microphone Wireless Microphone with Bluetooth Technology (Stream and Perform Karaoke on-the-go from Your Smartphones or Tablets and More Stream and perform karaoke on-the-go from Your smartphone or tablet Wireless microphone withd built-in lithium battery and volume, echo, on/off controls Micro USB input jack for audio recording from mic (cable included) 3.5mm audio output jack for connecting microphone to earbuds or external speaker Compatible with iOS, MAC OS X, windows and Android connects vis bluetooth or cable