✅multipurpose and portable：portable min microphone and speaker digital display ,supports mp3 / tf card / usb/fm stereo radio .you can automatically search and save the fm channel.
✅large capacity lithium battery：amplifier microphone built in 1800 mah rechargeable lithium battery. continously working time is up to 10-15 hours. you can use usb cable to charge microphone speaker. only needs 3~5 hours to fully charge it.
✅powerful original sound：voice amplifier with double magnet trumpet, high voice, good amplification effect .sound coverage: 300~400㎡.the stable performance perfect for amplifying your sound,no distortion.
✅stylish comfortable design：microphone amplifier with imported abs material with high light technology, durable and wear resistant;hang the waist, shoulder or clip on the belt;imported mic advanced circuit ic, restrain howling phenomenon effectively.
✅application widely：adjust the distance between your mouth and the mic.mini microphone suit for teacher, trainer, singer, coacher, tour guide, shopping mall, presentation, public speaker ,lectures ,exercise instructors , promoters , outdoor activities ,meetings ,classrooms ,large auditoriums , indoor and outdoor sports venues and etc.