TRNDlabs COAL User manual

USER GUIDE
COAL
Wireless Earbuds

WWW.TRNDLABS.COM
Thank you for purchasing
COAL Wireless Earbuds
and welcome to the world
of TRNDlabs products.

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Parts Idencaon 5
Funcons 6
Setup 8
Charging 8
Setup and Pairing 10
Specicaons 12
Troubleshoong 13
Safety Informaon 15
Table of Contents Parts Idencaon
COAL Wireless Earbuds
USB to Micro USB
Charging Cable
Earplugs
S / M (preinstalled) / L

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Funcons
Microphone
Power ON / Pairing: Hold for 3 seconds
Play / Pause a track: Single Press
Take / End call: Single Press
Redial: Double Press
Power OFF: Hold for 3 seconds
LED light indicator
Micro USB charging port
Volume up: Single Press
Previous track: Press & Hold
Volume down: Single Press
Next track: Press & Hold

98
SETUP
CHARGING
Make sure your COAL Wireless Earbuds are fully charged
before rst use.
Connect COAL Wireless Earbuds via the USB to Micro USB
Charging cable included in the package to a computer or
power source with a standard USB port.
The LED light will light up red to indicate COAL Wireless
Earbuds is charging. When fully charged, the LED light will
turn blue.
To turn your COAL Wireless Earbuds on, press and hold
the Call buon unl the LED indicator starts ashing blue.
COAL Wireless Earbuds will now go into pairing mode
automacally.
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1110
Bluetooth
COAL
connected
Bluetooth
SETUP AND PAIRING
Turn on COAL Wireless Earbuds by pressing and holding the
Call buon unl the LED light indicator ashes in red and
blue, indicang Bluetooth pairing is pending.
Enable Bluetooth on the device you wish to pair with
COAL Wireless Earbuds. Make sure it is in searching mode.
Select COAL in the Bluetooth overview on your device.
COAL Wireless Earbuds will now pair to your device.
Note: When previously paired with a device, COAL Wireless Earbuds will
automacally aempt to reconnect to this device aer being switched o
and on.
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1312
Specicaons
Bluetooth version: Bluetooth V4.1
Talking me: 5.5 h
Music Playback Time: 5.5 h
Standby me: 30 h
Charging me: 2 h
Impedance: 16 ohm
Frequency: 50 hz - 20.000 HZ
SNR: 94 ± 3 dB
Baery: 70 mAH
Bluetooth prole: A2DP1.0/ACRCP1.3/HSP1.0/HFP1.5
Speaker diameter: 10 mm
Troubleshoong
Problem:
COAL Wireless Earbuds doesn’t turn on.
Soluon:
• Make sure the earbuds are fully charged. (Follow the
Charging instrucons on page 8)
Problem:
There’s no sound.
Soluon:
• Make sure the earbuds are turned on and connected
to your Bluetooth device. Also make sure the volume
of your Bluetooth device is turned on and set to an
appropriate level.

1514
Problem:
Unable to connect via Bluetooth.
Soluon:
• Make sure your device’s Bluetooth is turned on and
the device is discoverable. Press the Call Buon on the
earbuds unl the LED light indicator starts ashing red
and blue, indicang it is in pairing mode. Now select
COAL Wireless Earbuds in the Bluetooth overview on
your device.
Problem:
Poor sound quality.
Soluon:
• Make sure the earbuds are in a clear 10m radius of
your Bluetooth device.
Safety informaon
• Do not aempt to charge COAL Wireless Earbuds by any
means other than a USB charger, power bank or computer.
• Do not modify or disassemble the baery.
• Do not dismantle or modify COAL Wireless Earbuds in any
way.
• Do not expose COAL Wireless Earbuds to moisture or
immerse it in liquid.
• Do not keep COAL Wireless Earbuds in an environment of
excessively high temperatures, including intense sunshine.
Only use the product within the following temperatures:
0° - 40°.
• Do not place COAL Wireless Earbuds on ammable
materials, such as bedding or carpets during charging.
• Do not touch COAL Wireless Earbuds with wet hands.
• Do not connect input and output in reverse.
• Do not charge COAL Wireless Earbuds in excess of the
rang suggested.
• In the unlikely event that any liquid from the inside of this
product gets into your eyes, do not rub your eyes. Wash your
eyes immediately with clean water and consult a physician.
• All of TRNDlabs’ products have been tested
comprehensively. If you encounter any unusual heat,

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discoloraon or product distoron during charging or
storage, please stop using it immediately and contact the
dealer. These issues may cause leakage, heat, smoke or
ignion of COAL Wireless Earbuds.
• COAL Wireless Earbuds is not intended for use by persons
(including children) with reduced physical, sensory or mental
capabilies (or lack of experience and knowledge) unless
they have been given supervision or instrucons concerning
the use of COAL Wireless Earbuds by a person responsible
for their safety.
• Do not use detergents or abrasive cleaners to clean your
COAL Wireless Earbuds. This could cause scratches or
damage.
• Clean COAL Wireless Earbuds only with so, lint-free, dry
cloth.
The contents of this document are subject to change.
Download the latest version from
www.trndlabs.com.
If you have any quesons about this document, please
contact TRNDlabs by sending a message
to [email protected].
© 2017 TRNDlabs. All rights reserved.

2760/1/EN