With 3.5 audio out jack to connect to another speaker, 4 types voice changer, Eco switch, USB Port, Memory card slot
-Bluetooth wireless is universally compatible with Android, iOS phones
-Three-level noise suppression in the microphone head, directional microphone
-Plays music from your smartphone and allows you to sing under them, recording your songs (built-in memory card slot for recording music in MP3 format)
-You can choose different sound effects (such as Echo), convenient buttons location to adjust modes
