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 and mp3 player, compatible with various singing applications MULTIPLE CONNECTIONS: This microphone is equipped with a stable Bluetooth connection, which makes it easy to pair with your phone, tablet and other devices. You can enjoy wireless playback. It can also be connected to outdoor speakers and karaoke machines via AUX cable (not included), so that you can enjoy the fun of listening and singing at any time wherever you are. HIGH 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, adjust microphone, echo, and music volume separately, enjoy singing along with the music; With echo mode, a karaoke mic can bring a surrounding immersion GREAT GIFT IDEA: Come with 1* BONAOK microphone, 1*Charge Cable, 1*User Manual; Cute gifts idea for kids, teens and adults, friends and family, suitable for all kinds of holidays and festivals Important 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