Wireless neckband microphone for teaching sound amplification

The utility model provides a wireless neckband microphone for teaching sound amplification. The wireless neckband microphone comprises a first shell, a second shell, a flexible connecting rod, a sound pickup, a wireless infrared transmitting module, a power switch key, a power state indicator lamp, a Type-C interface, a battery, an audio line auxiliary input port with the diameter of 3.5 mm and a driving circuit, one end of the first shell is connected with the first end of the flexible connecting rod, and one end of the second shell is connected with the second end of the flexible connecting rod; the driving circuit is arranged in the first shell, and the sound pickup and the wireless infrared transmitting module are arranged outside the first shell; the battery is arranged in the second shell, and the power switch button, the power state indicating lamp and the audio line auxiliary input port with the diameter of 3.5 mm are arranged outside the second shell. The sound pickup, the lithium ion battery and the