🎤 Speak Up, Stand Out! Your voice deserves to be heard! Adjustable headset and clip-on convenience for hands-free use. Easily transportable for any occasion, indoors or outdoors. Amplifies your voice clearly for 20-50 people. Enjoy 4-6 hours of amplification on a single charge. Supports TF cards and USB drives for music enjoyment. Headset Microphone 8W Output 1800mAh Battery The Voice Amplifier for Teachers is a compact, portable public address system designed to enhance vocal clarity for groups of 20-50 people. With an 8W output, 1800mAh battery, and support for music playback via TF card or USB, this device is perfect for educators, tour guides, and coaches. Its adjustable headset microphone ensures comfort during long sessions, making it an essential tool for effective communication.