The excellent design of karaoke microphones is very suitable for your hand, which lets you feel more comfortable. And the built-in high-quality Bluetooth module can be used as a wireless speaker, MP3 player, and recorder, compatible with various singing applications. The system has two ways connections, a Bluetooth Connection & Cable Connection. You just need to connect your phone with cable or Bluetooth, and then open the singing APP on your phone. The built-in clear audio and the vivid sound effect let you listen and sing anytime and anywhere. The system has a high compatibility supporting micro-SD card max 32GB (NOT INCLUDED) and song switch. Bluetooth has a great distance of connection(10m). Easy to use with multi-function buttons, easy to switch to different modes, adjust microphone, echo, and music volume separately, enjoy singing along with the music. With echo mode, a karaoke mic can bring a surrounding immersion. Microphone for kids & adults, come with 1* BONAOK microphone, 1* Audio Cable, 1*Charge Cable, 1*User Manual, and 1*Colorful Box. Cute gifts idea for kids, teens and adults, friends, and family, suitable for all kinds of holidays and festivals.