3 Review(s)

Features: - Active Speaker Digital Amplifier Module With Microphone Bass Treble 3.7 Active Speaker Amplifier Bluetooth Module with volume echo mic for Trolley Speaker Decoder Board Microphone, Echo Treble BassUSB TF FM BT AUXEQ JAZZ CLASSIC POP COUNTRY ROCK NORMALDouble decoding MP3/WMA/WAV format support;