PARTICULAR DESIGN: The excellent design of karaoke microphones is very suitable for your hand, which let 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 applicationsTWO WAYS CONNECTION: Bluetooth Connection amp; 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 vividly sound effect let you listen and sing anytime and anywhereHIGH COMPATIBILITY: Supporting micro SD card max 32GB(NOT INCLUDED) and song switch. The Bluetooth has a great distance of connection(10m)EASY TO USE: 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 immersionMICROPHONE FOR KIDS amp; 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 festivalsImportant Charging Notes: 1 Use the USB cable included in the package. 2 Connect this cable to a 20W (5V) USB-C power adapter (not included). Due to overload protection, adapters rated over 20W will not charge the device