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Product Overview

(Initial setup and connection with Bluetooth device)

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NOTE: Initially each earbud must be connected to the mobile 

device individually  

Check battery button

Charging case opening switch

Left ear

Right ear

Indicator light 

microphone

Indicator light

Multi-function button

Multi-function button

Four power 

indicator lights

Micro 

USB

port

Pairing the earbuds

Take out one of the earbuds from the charging case, press 

and hold the multi-function button until indicator flashes red 

& blue simultaneously to enter pairing mode.

Turn on Bluetooth function on mobile device. Then select 

“QDSLTMC12B” from the device available list to pair.

Once pairing is successful, indicator will flash in blue on the 

side of earbud. Bluetooth status on mobile screen will also 

display “Connected” under the name “QDSLTMC12B”.

Take out the other earbud from the charging case, press 

and hold the multi-function button on this earbud until 

indicator flashes in blue & red to enter pairing mode. Select 

“QDSLTMC12B” in the Bluetooth pairing menu to connect 

this earbud to device. The indicator will flash in blue with a 

beep tone once the pairing is completed.

Now both earbuds are ready to be used as a stereo pair of 

earbuds. Note: Music volume is controlled by mobile device.

To turn off the earbuds, press and hold the multi-function 

button on either earbud until indicator light flashes in red 

with “disconnected” voice prompt. Both earbuds will turn off 

together. Alternately, put both earbuds back into the 

charging case.

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