Active Speaker Amplifier Bluetooth Module with volume echo mic for Trolley Speaker Decoder Board (S)

ACTIVE SPEAKER DIGITAL AMPLIFIER MODULE WITH MICROPHONE BASS TREBLE 3.7v

Active Speaker Amplifier Bluetooth Module with volume echo mic for Trolley Speaker Decoder Board

Microphone,Echo Treble BassUSB TF FM BT AUX

EQ JAZZ CLASSIC POP COUNTRY ROCK NORMAL

Double decoding MP3/WMA/WAV format support;
2, Support for BT, within 10 meters ,
3, With digital display;
4, Support MMC/SD/MMA and other cards, support USB interface (U disk);
5, Support for external audio input LINE IN (AUX);
6, Support FM radio, cable band (87.5MHZ 108.0MHZ);
7, Buttons: four buttons, multi – directional control, PLAY VOL-/ / VOL+ / MODE