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User Manual
Ture Wireless Earphones
Model: BTHS-TWS109
Product overview
Included accessories
How to wear
Select & replace eartips
Fitting adjustment
How to charge
Basic operations
LED Indications
How to pair
Connect to a Bluetooth device
Mono earbud use
How to clear pairing history / reset
Support
FAQ
How to care for your earphones
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Product Overview
Touch Button
Hold for 2-4 seconds
to Power ON/OFF
Included accessories
Ear Tips Micro-USB cable
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How to wear
Select & replace eartips
To get the optimal experience, we recommend that you give each of the dierent sized
eartips a try and nd the pair that ts your ears the best. The medium-sized eartips are
pre-mounted on the earphones. Please ensure that the eartips are rmly attached.
R
Fitting adjustment
Insert the earphone into your ear and hook the ear-hook behind your ear.
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How to charge
The Avantree TWS109 oers up to 10 hours of playtime per charge.
When you start hearing the “battery low” voice prompt through the earphones, it’s an
indication that you need to charge them. Please use a DC 5V / 0.5-2A USB wall charger / car
charger / computer USB port with the included Micro USB cable to charge. It takes about
90 minutes to fully charge. The LED will remain RED while charging and automatically turn
o when it’s done.
L
OR
R
Basic operations
Function Operation
Power On
Power O
Pairing
Play / Pause
Previous Track
Next Track
Answer / End A Call
Reject a call
Press & hold for about 2 seconds until LED illuminates BLUE
for about 1s.
Press & hold for about 2 seconds until LED illuminates RED
for about 1s.
Note: Turning OFF either earphone will automatically turn the
other one OFF as well.
From o status, press & hold on the R earphone for about
4 seconds until LED ashes BLUE & RED alternately.
Double tap the touch button
Press & hold the touch button on the
Press & hold the touch button on the
Tap the touch button once on either earphone
Press & hold the touch button on either earphone
L earphone
R earphone
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LED Indications
Connected with mobile device
Not connected with mobile device
Earphones connected with each
other
Earphones not connected with
each other
Battery low
Charging
Fully charged
Clear pairing history / reset
How to pair
Connect to a Bluetooth device
LED on the R earphone double-ashes BLUE every 5s
LED on the R earphone ashes BLUE once every 1s
LED on the L earphone double-ashes BLUE every 5s
LED on the L earphone ashes BLUE once every 1s
LEDs will ash RED 4 times every 4.5 mins
LEDs stay RED
RED LEDs turn o
LED lights on BLUE & RED simultaneously(looks like PINK)
for about 2 seconds
Note: R earbud will enter pairing mode when powered on for the FIRST TIME. After that, set
the earphones to PAIRING MODE manually by following the directions below.
1. From o status, Hold on R earphone for 4 seconds to enter PAIRING MODE. The LED
will ash BLUE & RED alternately.
4S
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2. Search and select “Avantree TWS109” on your device to connect.
4:30
Settings Bluetooth
Bluetooth
Now discoverable as “iPhone(2)”
MY DEVICES
Bose Bluetooth Audio...
OTHER DEVICES
Avantree TWS109
To pair an Apple Watch with your iPhone, go to the Watch
app.
Not Connected
4G
3. Hold on L earphone for 2 seconds to turn on. It will automatically connect to R earphone.
L
2S
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4. Once connected, the LED will start double-ashing BLUE every 5 seconds.
L
R
double-ashing BLUE every 5S
Mono earbud use
Only the R earphone can be used alone for mono playback or for calls. Please use the control
buttons on your mobile device for track adjustment.
How to clear pairing history / reset
Make sure both earphones are powered o
Reset the R earphone - From o status, press & hold for about 15 seconds until the LED
lights on BLUE & RED simultaneously for about 2 seconds. Then it will power o along with
the LED turns o.
15S
R
R
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Do the same reset steps on the L earphone.
L
L
15S
Next time you power on both earbuds, they will automatically connect with each other.
Note: Before connecting with mobile device again, please make sure that you delete
“Avantree TWS109” from your device’s Bluetooth menu.
4:30
Settings Bluetooth
Bluetooth
Now discoverable as “iPhone(2)”
4G
4:30
Bluetooth Avantree TWS109
Forget This Device
4G
MY DEVICES
Avantree TWS109 Not Connected
Bose Bluetooth Audio... Not Connected
OTHER DEVICES
OPPO R9s
huawei
To pair an Apple Watch with your iPhone, go to the Watch
app.
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Support
FAQ
View the FAQs on https://avantree.com/product-support/BTHS-TWS109-BLK4.
How to care for your earphones
Always make sure that the earphones are safely protected.
If you would like to clean your earphones, we recommend that you follow these instructions.
The TWS109 is designed to function optimally between the temperatures of 0°C and 40°C
(32-100°F.) Although it can and will function beyond this temperature range, performance
may be impaired.
Avoid storing the earphones for extended periods of time without recharging them (max.
three months.)
The TWS109 is designed to charge using standard USB voltage (5v ± 0,25v). It is not
recommended to charge this product using power supplies/sources with higher voltage.
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