Enhanced Clarity & Performance: Equipped with dual-voice-coil speakers, this wireless voice amplifier delivers crystal-clear sound that easily fills large venues. It features advanced anti-howling technology, stable signal transmission, and high-fidelity sound without echoes or delays, making it ideal for educators and speakers.<br> Convenience at Your Fingertips: Designed for effortless operation, this classroom microphone system connects automatically upon powering up. It includes a handy mute button, allowing you to pause audio capture instantly without needing to shut down the entire system, enhancing usability during presentations and lectures.<br> Versatile Audio Playback & Recording: Offering multiple connectivity options, this personal voice amplifier supports Bluetooth, TF cards, and USB flash drives. It doubles as a music player with easy song switching and also allows recording via TF card or USB, ensuring you capture every lecture or meeting.<br> Color:White & Black<br> Material:plastic<br> Package Contents:<br> 1 * Voice Amplifier