[Small but very powerful] -- If you want to buy a personal voice amplifier that is small and lightweight, then the S17 is for you. It is a portable microphone speaker with

30 watts of output power, which can significantly amplify your voice and protect your vocal cords, allowing you to easily make your voice heard by 25 to 100 people.

[Long battery life] -- The small voice amplifier comes with a 2200mAh high-capacity rechargeable lithium-ion battery that provides up to 12 hours of operation on a fully charged battery. Charging is easy with an included USB cable. And it only takes 3-5 hours to fully charge.

[Comfortable and portable] -- The portable speaker comes with an adjustable strap that you can tie around your waist or hang around your neck. The teacher speaker amplifier has a clip on the back, you can attach it to a belt or waistband. The wired headset microphone is adjustable.

[Stable performance] -- It is an original voice amplifier with stable performance. The portable headset microphone has a flexible gooseneck design that is positioned just near the mouth. Perfect for anyone doing events that need to project their voice. Suitable for teaching, coaching, singers, trainers, tour guides, shopping malls, presentations, yoga, outdoor speeches, etc.

Size: 8.4 x 9.2 x 2.8 cm