The Bietrun Voice Amplifier for Teachers is a versatile device designed to enhance audio output with 20 watts of power. It is compatible with various devices such as MP3 players, smartphones, and TF cards. The amplifier features a lithium polymer battery for power source and a back clip mounting type for easy attachment. Perfect for singing and teaching purposes, this voice amplifier from Bietrun offers a sleek black design and Bluetooth connectivity for added convenience. * Open Box - Exactly sold as is on photos, item is in great condition. ( What you see is what is included, exactly sold as is on photos, please check all photos)
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