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TROUBLESHOOTING GUIDE/SPECIFICATIONS

Speaker cannot be 

connected

Pairing does not work

Move your speakers to see 

if the interference goes 

away. 

Check whether the audio 

source supports the A2DP 

protocol

Audio source

is switched off 

Switch on the audio source

Bluetooth is switched off at

 the audio source.

Switch on the Bluetooth 

function in the audio source.

Bluetooth version is not 

supported.

Use a different playback unit.

Poor sound 

quality  from a Bluetooth®

device

 

Bluetooth device is almost 
out of range of  the MB405

Move your Bluetooth device 

closer  to  the MB405

Radio interference.

Too close to a radio tower.

SPECIFICATIONS

Power supply:                  AC100-240V~50/60Hz
USB output:                     DC 5V    1A
Battery capacity:               7.4V 1800mAH
Power Consumption:        35W
FM Frequency Range:

    

87.5-108MHz

Working Temperature:      0 C-40 C
Working Humidity:

        

20%-80%

The right to make technical and design modifications in the course of 
Continuous product development remains reserved.

 

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