T18 User Manual
Product list
×1 Charging box
Left earphone ×1
Right earphone ×1
Lanyard ×1
USB charging cable×1
Manual×1
Small in-ear supports
Large in-ear supports
×
2
2×
Large size ear bud（L-L） × 1
Large size ear bud（L-R） × 1
Medium size ear bud（M-L） × 1
Medium size ear bud（M-L） × 1
Small size ear bud（S-L） × 1
Small size ear bud（S-L） × 1
Wearing method
1. Selection and assembly of in-ear supports
Please choose suitable size supports and buds for your ears before officially
use this Bluetooth earphone. The assembly method is shown in the figure
above.The assembly method of left and right supports is the same.
2. Wearing method
After assembling the proper earbuds and in-ear supports,gently insert
earphones into left and right ear, and adjust to the most suitable angle to get
the best sound quality and comfort.
Earphone functionality
Charging strip
LED indicator
Left earphone(assistant earphone)
Right earphone(main earphone)
Function Icon Operation
Take out of charging box or hold
Power on
Power off
Volume+
Volume-
Play/pause
Previous
track
Next track press left earphone assit button /
Answer/hang
up
power button of right/left
earphone for 1s
Replace into charging box/hold
power button of right/ left
earphone for 4s
press right earphone on/off
button
press right earphone assist
button
press left or right earphone for
1s
press left earphone on/off
button
press on/off button on left/right
earphone
Prompt
voice
Power
on
Power
off
/
/
Du
/
DU
Indicator mode
blue light is on for 1 second
then slowly blinks
red light is on for 1 second
then turn off
blue light blinks once every 5
seconds
blue light blinks once every 5
seconds
blue light blinks once every 5
seconds
blue light blinks once every 5
seconds
blue light blinks once every 5
seconds
The blue light flashes once
every 3 seconds instead of
once every 5 seconds
Decline call
Redial last
call
Voice
assistant
Press assit button on left/right
earphone
Hold button on left/right
earphone for 1s
Hold button on left/right
earphone for 2s
How to use the battery charging box
DU
DU
DU
blue light blinks once every 5
seconds
The blue light flashes once
every 5 seconds instead of
once every 3 seconds
blue light blinks once every 5
seconds
Open direction
As shown in the picture, firstly open top cover of charging box.The top cover of charging box is
automacally released from the buckle of slide cover under elastic force of magnet.
Take out earphones from charging box then press top cover back to the original position. It will
be locked by slide cover’s buckle.
Turn on/off of charging box
earphone charging thimble
Left earphone charging indicator
Right earphone charging indicator
Micro USB charging port
Charging box indicator and on/off button
A. Turn on/off of charging box - click on/off button of charging box to turn it on. Then charging
indicator lights on left and right earphones will blink slowly for several times to represent battery
capacity. (4 times = full power status, 3 times = high power, 2 times = medium power, 1 time =
low power);
B. Hold charging box on/off button for 1 second until charging indicator light in the left and right
earphones simultaneously and continuously blink fast for 3 times to turn off.
Charging box’s usage and earphones’ power on/off
Use charging case to charge earphones
A. low battery status of earphones -the earphone battery level can be seen on iPhone and
some Android phones. When battery is low power, earphones will prompt "low battery" every 2
minutes, and at this time.And red light will blink instead of bluetooth Indicator light.
B. Place earphones into charging box -put left/right earphone into the corresponding slot of
charging box (pay attention to the position and direction.The copper on the earphone should
touch the metal thimble of the charging box).
C. Use charging box to charge earphones - when charging box is power on, earphones will
automatically power off and start charging after plugging into the charging box. The
corresponding left/right earphone charging indicator will blink once every 1 second.When fully
charged, the corresponding indicator light will stay on for 5 seconds then turn off.
Use charging cable to charge charging box
Use adapter to charge charging box - the charging box can be charged after plugging in cable.
Red light of charging box will turn on.The light will turn blue once charging box is fully charged.
Power on/off earhone
Left earphone(assistant earphone on/off button)
Right earphone(main earphone on/off button)
Power on -
1. Take earphones from charging box. Earphones are turned on from charging status.
2. hold "power" button for 1 second until you hear the prompt "power on" then release. At this
time, blue indicator light starts flashing.
Power off -
1. Put earphones back to charging box. Earphones are entering into charging mode.
2. hold "power" button until you hear the prompt "power off" then release. Red indicator is on
for 1s then turned off.( operation of left and right earphone is the same)
Connecting
1. Main earphone is entering into pairing mode of devices
Hold two earphones for 1s until hearing “power on” then release
(now left and right earphone is automatically reconnected.Once connect successfully, right
earphone is entering into pairing mode)
2.Main earphone is connecting with devices
Turn on device’s bluetooth and search pairing name “xxx”, click and wait for pairing. Once paired
well, right earphone will prompt sound “connected”
3.Assit earphone connects to main earphone automatically
When main earphone is power on, hold power key of assist earphone for 1s until hearing “power
on” then release, assist earphone will automatically connect to paired main earphone.Once well
reconnected, assist earphone will prompt “connected”, while main earphone won’t. (if main
earphone is connecting with devices,PLS pause the music to make reconnect success rate)
4.Main and assist earphone repairing
When left and right earphones are unable to reconnected automacally, we need to repair.
Turn power off of two earphones, hold left and right earphone for 10s to get into clear pairing
mode,”DUDUDUDU” sound will be prompted and wait for 10s. Turn power on of left and right
earphone in 10s, now two earphones are into automatically pairing mode. Once paired well, the
main earphone will enter into pairing mode.
Technical specifications
Chipset: Realtek
Bluetooth 5.0
Support: HFP/HSP/A2DP/AVRCP
Frequency response: 20Hz-20kHz
Compatible: iOS/Android/Windows
Bluetooth range: 10mtr
IPX level: 4
Drive units : φ8.2MM,22Ωmoving-coil unit
Lithium Battery Capacity: 3.7V/75mAh,charging box 3.7v/600mAh
Working time: 6 hours
Extra working time with charging box: 15 hours
NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help
Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
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