Voice Amplifier for Teachers with Wired Microphone 10W, 2000mAh, 15h battery life, USB-C charging, Powerful and sharp sound, Clear sound, GuidesClassTrainingOutdoorTrainers

EFFECTIVE FOR TEACHING - With 10 watt output power, the portable voice amplifier makes your voice louder and more audible, helping students listen more clearly and carefully. Its lightweight and portable design makes it a popular accessory for teachers, fitness instructors, tour guides and promotional event organizers. Loud and clear sound - 3 inch speakers and amplification circuit allow the voice amplifier to produce crystal clear sound and good quality, effectively preserving the teacher's throat. Designed for educators, reliable for professionals. Essential for teachers. TEACH WITHOUT STRIGHT FEEDBACK - The voice amplifier uses advanced frequency shift technology to effectively suppress feedback. To ensure optimal performance, maintain a distance of 20cm between microphone and amplifier to avoid feedback issues. 1 Week Battery - The 2000mAh battery supports 12-15 hours of continuous teaching, the 4000mAh battery supports 25-30 hours of continuous teaching. Full-day outdoor events with no worry about charging. USB-C rechargeable. Simple and convenient, teacher centered design, only 2 steps: 1. turn on the amplifier; 2. plug the microphone into the MIC port of the amplifier. You're done. Unlike buttons, the analogue dial allows you to adjust the volume more finely. Ultra-light and with a clip-on belt strap, it allows for hands-free teaching