Qudo QDSLTMC12B Instruction Manual Download Page 3

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(Continue to use with previously connected Bluetooth device)

Multi-function button

Micro 

USB

port

Using the left earbud for handsfree phone calls

Music playing function

Charging operation

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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Turn on Bluetooth function on mobile device. Select 

“QDSLTMC12B” from the device available list to pair.

Take out either side earbud. Press and hold multi-function 

button of earbud until indicator flashes blue. Then repeat 

the step on the other side earbud. Bluetooth status on 

mobile screen will display “Connected” under the name 

“QDSLTMC12B” once pairing process is successful.

Now both earbuds are ready to be used. Music volume will 

be controlled by the mobile device.

(Using individual earbuds)

Initial use of the earbuds

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Take out either side earbud from the charging case. 

Press and hold the multi-function button until indicator 

flashes blue.

Turn on your mobile devices Bluetooth function and 

search for the name “QDSLTMC12B” and connect it. 

Bluetooth status on mobile screen will also display 

“Connected” under the name “QDSLTMC12B”.

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While music is playing, press multi-function button once 

to pause music, and press it once again to start playing 

again. 

Press multi-function button twice to skip to the next 

music track during music playback.

Adjust the volume of music through volume control keys 

on the phone. 

1. With the earbuds placed inside the charging case, 

connect the charging cable (included) to the charging 

port on the back of the charging case and the other end 

of the charging cable to a workable USB power source.

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The left earbud can be used to answer an incoming 

phone call as handsfree when it is connected to a 

mobile phone. (NOTE: Only left side earbud will work 

for phone calls).

An incoming call beep tone will go off when a phone 

call comes in. Short press multi-function button to 

answer the incoming call through the left side earbud 

and press it again to end the call.

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