Bluetooth microphone with lights, built-in speaker, voice amplification function, music playback (via external device connection), voice recording and playback. Advanced technology ensures clear audio, vivid sound effects and noise cancellation system. The microphone also features adjustable reverb mode and echo effects that provide excellent and immersive surround. 3 Connection Modes: Bluetooth, USB cable, TF card. Built-in lithium battery, rechargeable with about 2-3 hours, ensures a use time of 4 hours.
