Wireless Bluetooth MP3 Audio Receiver board MH-M18Code ABESP030
- Weight 4.00g
E-shop price: 4,70 €
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MUTE control end: used to control the power amplifier board; MUTE MUTE to output high level 3.3v; play MUTE to output low level. KEY control: this function requires additional connection resistance and keys can be achieved. Volume off function: default output 100% volume. The volume can be increased or decreased by pressing the button. If the control volume is less than 15%, the volume output will be 15% after re-energizing.If the control volume is more than 15%, the original volume will remain unchanged after recharging.