6.  When a USB stick with MP3 files is inserted in the device, the device will begin to play the first track 
immediately. 
7.  By pressing the Next or PREV key you can select another track. Press Play/Pause to start/stop playing. 
If you press and hold the next or PREV key you can change the volume of the MP3 player. 
8.  SD/MMC Card This works the same as for the USB-stick. 
9.  AUX - You can connect an external audio source with a 3.5jack plug. 
10. Bluetooth By pressing the M (mode) you can select the BT mode (green led blinks), search with your 
Bluetooth device for the Megaphone and connect, the Led will constant be lit green.  
You can use your Bluetooth device as the audio source. If you press the M key again you select the MP3 
devices again, Led will be lit red. 
 
 
 
 
 
BASIC TROUBLESHOOTING 
•  If the megaphone does not work, remove the batteries to check if the +/- terminals match correctly. 
•  If the terminal match correctly, place back the batteries and press them down into the battery 
compartment firmly, make sure the batteries are in contact properly 
 
 
 
 
TECHNICAL SPECIFICATION 
Power max.    : 55Watt 
Range      : outdoor up to 700-1000m  
Battery     : 8pcs Type C-Battery 
Battery lifetime    : permanent use up to 5 hours 
Dimensions    : Horn Ø230mm, Length 340mm 
Weight (without battery) : 1.3Kg 
 
The specifications are typical. The actual values can slightly change from one unit to the other. 
Specifications can be changed without prior notice.