Still must shout to your students to make sure the last row can hear you? Still must put your ears near to your parents or grandparents to make sure what they are saying? Still must speak loudly to make all tourists hear your words? From now on, no more yelling and shouting, our voice amplifier can save you from hoarseness and sore throat. Light-weight and compact design allows you to take it anywhere, loudly and clearly voice can make people hear you. Waistband Headset Microphone will free your hands. You can adjust the volume as you need, a perfect option to protect your vocal cords.