Parameters:
Amplifier 2 * 5W, capable of connecting two 5W speakers simultaneously
Radio frequency range: 87.5MHZ-108.0MHZ
Voltage 5V (voltage range 3.7V-5V),current cannot be lower than 2A
Key: Four button multi directional control, VOL -/AUTO/VOL+/MODE

Key operation details:
VOL - button (previous track/volume decrease): In MP3 mode, VOL - short press to previous track, long press to decrease volume; Short press in FM mode to increase the station number by one; Under Bluetooth function, short press to indicate the previous Bluetooth song, and long press to indicate a decrease in volume.
AUTO button (play/pause): Press AUTO briefly in MP3 mode to play/pause; Short press to play/pause in FM mode, long press to automatically receive and coexist with the channel; Short press to play/pause in Bluetooth function.
VOL+button (next track/volume increase): In MP3 mode, VOL+short press to next track, long press to increase volume; Short press in FM mode to lower the station number by one; Under Bluetooth function, short press to select the next Bluetooth song, and long press to increase the volume.
MODE button: Switch between USB/TF/FM radio/LINE IN audio input/Bluetooth functions in sequence; Long press is the recording microphone, and another long press is to stop recording and play the recording text
Microphone Description:
After connecting the microphone, all model tests have microphone function
Recording function description:
When recording, it is more necessary to connect a storage device, such as a USB flash drive or TF card

Package include:
Power amplifier decoding board * 1
Remote control * 1
Terminal wire * 3