Lenco Boost-4 User Manual
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Speaker.
If the mobile phone is in case (especially metal), remove it from the
case.
5. Control Function
Press “ / (7)” button to pause the playing music. Press it again to
resume.
Press and hold the “ (9)” button to increases the volume level.
Press and hold the “ (8)” button to decreases the volume level.
When maximum or minimum volume is reached, a beep sound will be
heard.
Press the “ (9)” button to change next music file play.
Press the “ (8)” button to change previous music file play.
6. When there is an incoming call
When there is an incoming call during Bluetooth music playing mode;
The ringing sound up and the playing music will pause automatically.
Press and hold “ / (7)” button to reject the call if you want. Or,
Press “ / (7)” button to pick up the call.
Now you have hand free function with the Bluetooth speaker.
Press “ / (7)” again to hang up the call when finished. And the
paused music will resume automatically.
Tip: speak to the “MIC (5)” direct with distance in 30 ~ 60cm to get the
best speakerphone performance when necessary.
7. Splash-proof Handling
Make sure that the splash-proof “Rubber Seal Cover (16)” it tightens
closed at the right position.
The Bluetooth Speaker can handle a brief jet of water on its surface
(IPX4 Splash-proof). However, it should never be operated under
running water and under no circumstance it should never be fully
immersed in water.
Always wipe the Bluetooth Speaker surface thoroughly if it becomes
wet with moisture or water splashes. This will help to prevent the
internal parts of the unit from entry of water and possible moisture
damage.
8. Downloading the Detail User’s Manual
For consider environment protection, the detailed User’s Manual is
stored on our website for download. Please visit our Company’s website
to download the detail user manual via
To open the downloaded user manual, the Computer needs to have
a .pdf reader. You my need to download the PDF reader (for free) via
if your Computer have not installed the
PDF reader.