①. Enhanced Clarity & Performance: Equipped with dual-voice-coil speakers, this wireless voice amplifier delivers clear sound that fills large venues. It features anti-howling technology, stable signal transmission, and sound without echoes or delays, suitable for educators and speakers. ②. 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. ③. Versatile Audio Playback & Recording: Offering multiple connectivity options, this personal voice amplifier supports Bluetooth, TF cards, and USB flash drives. It works as a music player with easy song switching and allows recording via TF card or USB, ensuring you capture lectures or meetings. ④. Color: White & Black ⑤. Material: plastic ⑥. Package Contents: 1 * Voice Amplifier