12V LCD Blue Screen Lyrics Display Radio Bluetooth MP3 WAV APE FLAC Audio Decoder Board with Recording Battery Detection

Specification 1 EQ key when playing USB SD music briefly press this key to switch between five EQ sound effects and select the EQ sound effect preferred by the user2 USB SD boot defaults to full disk circular playback Press this key to switch to single song circular playback 3 Stop key when playing U SD press this key to stop playing When you press it again it will play from the first time of U SD 4 Rec recording key when USB SD is working long press this key to record the sound of MIC port The length of recording depends on the U disk or SD usedDepending on the capacity of the card Short press this key when playing music USB flash disk with recording files to quickly switch to recording files for playback which is convenient for users to quickly find recording files5 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 In aux mode press and hold the volume to increase6 BT USB SD mode short press for the previous song long press for volume reduction FM radio mode short press for the previous station long press for volume reduction Aux mode press and hold to decrease the volume7 In USB SD mode short press to stop the play In FM radio mode short press to search the channel automatically8 Mode key short press to switch between Aux USB SD BT FM modes When playing a recording file long press this key to delete the curre