A. Enhanced Clarity & Performance: Equipped with dual-voice-coil speakers, this wireless voice amplifier delivers clear sound that can fill large venues. It features anti-howling technology, stable signal transmission, and sound without echoes or delays, suitable for educators and speakers.<br> B. Convenience at Your Fingertips: Designed for easy operation, this classroom microphone system connects automatically upon powering up. It includes a mute button, allowing you to pause audio capture instantly without shutting down the entire system, enhancing usability during presentations and lectures.<br> C. Versatile Audio Playback & Recording: Offering multiple connectivity options, this personal voice amplifier supports Bluetooth, TF cards, and USB flash drives. It can be used as a music player with easy song switching and also allows recording via TF card or USB, helping capture lectures or meetings.<br> D. Color: White & Black<br> Material: plastic<br> Package Contents:<br> 1 * Voice Amplifier