5V Blue Ray Audio Decoder Board bluetooth 4.2 with Recording Radio Battery Power Detection APE FLAC MP3 WMA WAV

Description 1 Blue digital tube display 2 In USB SD mode short press for playback pauses button Fm radio mode short press for automatic channel search 3 In BT USB SD mode short press for the previous song long press for volume reduction Fm radio mode short press for the previous one long press for volume reduction AUX mode long press for volume Less 4 In BT USB SD mode short press for the next song long press for volume increase Fm radio mode short press for the next station long press for volume increase AUX mode long press for volume increase 5 REC recording button In the USB SD mode long press this button to record the input audio of the MIC port In AUX mode long press this button to record the input audio of the AUX port In FM mode long press this button to record FM audio The length of recording time depends on the capacity of the U disk or SD card used When playing a music U disk with recording files short press this button to quickly switch to the recording file playback which is convenient for users to quickly find the recording file When working in AUX USB SD FM if any device of U disk or SD is plugged in press and hold the REC button for 2 seconds to start recording During the recording process short press the REC button to end the recording and playback the content just recorded If the user is listening to the music in the U SD the user can short press the recording button to quickly switch to the recording file to play if th