Analog Amplifier 60W -Support four types of audio input: Bluetooth, USB flash drive, microphone, and RCA, with flexible and convenient operation -Built-in Bluetooth module, support fast Bluetooth playback -Support plugging in the USB flash drive to play audio sources -Support independent microphone volume control and two-channel partition volume control -Support two-channel audio mixing output -Adopt high-strength engineering plastics, sturdy and durable -Integrated functional design, convenient and reliable