E377 Mini Multi-function Portable Voice Wireless Classroom Amplifier ,Clear and Reliable

1. Two wearing modes. 2. 50m transmission distance. 3. Small size, light weight, light to carry, easily hang on your body. 4. With Bluetooth function, you can easily connect to Bluetooth devices. 5.Multiple input methods.It can only be noise reduction.You may also like Wireless Microphone Bluetooth Speaker Teacher's Classroom Amplifier Speaker Tour Guide's Amplifier ,Clear and Reliable.