Norwii Mini Voice Amplifier, 3-Hour Quick Charging and 30 Hours of Playback, Portable Voice Amplifier for Teachers, Training, Tour Guides, and More

[Small and Powerful Sound] This personal voice amplifier is miniature and lightweight (3.6 x 2.8 x 1 inch, weighing 4.4 kg), yet boasts 10W of crystal-clear sound and noiseless power, large enough to cover a large group room of 25-100 people. Its stable performance makes it ideal for amplifying voices and saving your throat. [Fast Charging and Long Life] The Norwii voice amplifier is equipped with a high-grade microchip, ensuring fast charging and long use. Charging time: 2-3 hours, amplification time: 30 hours, MP3 music time: 20 hours. Other brands of voice amplifiers on the market only have amplification times of 6-12 hours. Comfortable and Portable: 1) The portable microphone headset is lightweight and adjustable. The flexible gooseneck allows you to adjust the distance between the microphone and your mouth. 2) This portable microphone and speaker has an adjustable band so it can be worn around your waist or neck. 3) The teacher's voice amplifier has a clip on the back that can be clipped to your belt or pants waistband. [Upgraded Microphone Speaker] The portable voice amplifier functions as an MP3 audio player and can be used with computers and mobile phones. The charging interface uses the advanced Type-C (charging head not included) and supports 3.5mm AUX audio input. The comfortable design makes it convenient for teaching, training, presentations, and other activities. Warm Tip: Please charge the speaker before first use. Keep the speaker and teacher microphone apart to avoid noise.