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DeFunc TRUE - Troubleshooting and Safety; Troubleshooting Guide; Important Warnings

DeFunc TRUE
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Coming call status: Single click to answer the phone, long press for two seconds to
reject the call.
Standby status: Double-click the main-earbud (rights earbud) key, will dial back the
last number automatically.
Call Status: Single click the key to hang up the call, double-click the key to transfer
the call to the phone.
2. Play music
Play: single click the key
Pause: single click the key
Next: Double click the key when playing the music
3. Power off
Put the earbuds back into the charging stand or long press the earbuds key for 4
seconds.
Trouble shooting
Fault Cause Solutions
cant power on Earbuds low power Charge the earbuds
Earbuds’red light
keep flashing
Earbuds low power Charge the earbuds
Charging without
indication
The earbuds didn’t connected well Adjust earbuds position
Automatically
shutdown
Earbuds low power Charge the earbuds
The earbud has
an echo.
The volume may too loud or the
environment may too noisy.
Adjust the volume or change the
environment.
The earbuds are
noisy.
Outside environment is bad or too
far away from the phone.
Change position, or move close
to the mobile phone
Sound is low The headset is not wearing
correctly or the volume is too low.
Adjust the earbud position or
adjust the phone volume
Signal
Intermittent
Outside environment interference
or too far away from the phone
Change to better environment or
move close to your mobile
phone
Earbud has no
sound
Pairing failed Pair the headset correctly
Warning
1: Do not keep the equipment in too low or too high temperature for a long time, extreme temperatures
may cause equipment to deform and reduce the battery capacity, also shorten the service life of the
equipment.
2: Don’t use the equipment in heavy rain, thunderstorms may cause equipment to malfunction, and
increase the risk of electric shock.
3: Please do not disassemble or refit earbuds for any reason, which may cause earbudss to malfunction

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