Top Panel.
OFF / ON: To turn on / off the speaker.
DC 5V: MicroUsb connector to charge the battery.
USB slot: Used to read MP3 files in FAT32 format from a Pendrive.
TF slot: Used to read MP3 files in FAT32 format from TF memory card.
Mic: Connector to connect the microphone.
Front Panel.
"M" (Mode): To change the mode between USB / TF, Bluetooth and FM devices.
"►ll" (Play/Pause): Short press to play and pause in the modes USB / TF and Bluetooth.
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:/-" (PREV/VOL-): Short press to move to the previous FM channel / track in the modes
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/+" (NEXT/VOL+): Short press to go to the next FM channel / track in the modes
Usb / TF, Bluetooth and FM.
Long press (press and hold) to decrease the volume.
Usb / TF, Bluetooth and FM.
Long press (press and hold) to increase the volume.