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User Manual
Wireless Neckband Earphones
BTHS-NB16
Product Overview
Ear Fin Fitting
Basic operations
LED indicator status
Pair and connect
Reconnect
To add another device
Charging
Clear the headphones pairing history
Troubleshooting
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Product Overview
Ear Fin Fitting
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Basic operations
FUNCTION OPERATION
General
Power ON / OFF
ENTER PAIRING MODE
Music control
Play / pause music
Volume up / down Short press or
Next / previous track
Call control
Answer / end a call
Reject a call Long presss for 1s
Voice dial
(Phone feature)
Hold for about 3s
From o status, hold for about 5s until LED ashes BLUE
and RED alternately
Press once
Long press or
Press once
Press and simultaneously
LED indicator status
Headphones Status
Low battery
Charging
Ready to pair
Connected
NOT connected
Indicator Light
RED
LED blinking
RED solid
BLUE and RED flash alternately
BLUE flashes one time every 5 seconds
BLUE flashes two time every 2 seconds
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Pair and connect
1) Set headset to PAIRING MODE - From o status, hold for about 5 seconds until LED ashes BLUE and RED
alternately. (Fig.1)
(Note: For rst time use, it will enter pairing mode automatically after power on.)
hold 5S
ashes BLUE and RED
(Fig.1)
2) Activate Bluetooth on your device, search and select “Avantree NB16” to connect. Once connected, LED will ash
BLUE every 5s, you will hear a voice prompt “Your device is connected”. (Fig.2-4)
4:30
Settings Bluetooth
Bluetooth
Now discoverable as “iPhone(2)”
MY DEVICES
Bose Bluetooth Audio... Not Connected
OTHER DEVICES
Avantree NB16
huawei
To pair an Apple Watch with your iPhone, go to the
Watchapp.
4G
4:30
Settings Bluetooth
Bluetooth
Now discoverable as “iPhone(2)”
MY DEVICES
Avantree NB16 Connected
Bose Bluetooth Audio... Not Connected
OTHER DEVICES
OPPO R9s
huawei
To pair an Apple Watch with your iPhone, go to the
Watchapp.
4G
Your device is
connected
(Fig.3) (Fig.4)(Fig.2)
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Reconnect
Normally, when turning headset on, it will automatically reconnect to the last paired device. Otherwise, please
click once or connect it on the phone manually. (Fig.5-6)
Click once
4:30
Settings Bluetooth
Bluetooth
Now discoverable as “iPhone(2)”
MY DEVICES
Avantree NB16 Not Connected
OR
Bose Bluetooth Audio... Not Connected
OTHER DEVICES
OPPO R9s
huawei
To pair an Apple Watch with your iPhone, go to the Watch
app.
(Fig.5) (Fig.6)
4G
To add another device
1) Turn o the Bluetooth of rst device.
2) Repeat steps in "Pair and connect" part to add the second device.Fig.7-9)
hold 5S
ashes BLUE
and RED
AT&T
T-mobil
Bluetooth
Bluetooth
Penetration Test
Allow peripheral devices to be checked
Devices Name
Received Devices
Available Equipment
Avantree NB16
AB Shutter3
iPhone(2)
No target device found? View possible
causes
4G
2G
2G
Honor 9
PM 2:00
AT&T
T-mobil
4G
2G
2G
Bluetooth
Bluetooth
Penetration Test
Allow peripheral devices to be checked
Devices Name
Honor 9
Received Devices
My Devices
Avantree NB16
Connected
AB Shutter3
Available Equipment
iPhone(2)
No target device found? View possible
causes
PM 2:00
MoreSeach Devices
(Fig.7) (Fig.8) (Fig.9)
MoreSeach Devices
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3) Turn on the Bluetooth of rst device, it will automatically reconnect. Otherwise, please connect it on the phone
manually. (Fig.10-11)
AT&T
T-mobil
Bluetooth
4G
2G
2G
PM 2:00
4:30
Settings Bluetooth
4G
Bluetooth
Penetration Test
Allow peripheral devices to be checked
My Devices
Avantree NB16
Connected
AB Shutter3
Available Equipment
iPhone(2)
No target device found? View possible
causes
MoreSeach Devices
Bluetooth
Now discoverable as “iPhone(2)”
MY DEVICES
Avantree NB16 Connected
Bose Bluetooth Audio...Not Connected
OTHER DEVICES
OPPO R9s
huawei
To pair an Apple Watch with your iPhone, go to the
Watch app.
(Fig.10) (Fig.11)
Note: it is only work for two mobile devices, such as mobile phones and tablets, not for PC and Bluetooth transmitter.
Charging
When the LED ashes red every 10s and you hear a voice prompt “low battery”, you should fully recharge the device
for about 2 hours. The LED will remain red while charging and turn o when charging is complete. (Fig.12)
You can plug it into a USB wall charger (DC 5V / 0.5-2A) or computer USB port that is powered on.( Fig.12)
low battery
DC 5V / 0.5-2A
OR
every 10s
(Fig.12) (Fig.13)
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Clear the headphones pairing history
Make sure NB16 is powered on and not connected with any device. Press and hold and together for about 10s,
until LED lights on blue and red simultaneously for about 2s (looks pink). Then it will enter pairing mode automatically.
(Fig.14-15)
hold 10s
2s (looks pink)
(Fig.14)
(Fig.15)
Troubleshooting
• No sound with PC?
- Set Avantree NB16 as the default device or output device on the PC. (Fig.16)
Sound
Playback
Recording Sounds Communications
Select a playback device below to modify its settings:
Speakers
2 - Avantree NB16
Ready
Speakers
Bluetooth Audio
Ready
Speakers
Realtek High Denition Audio
Default Device
Congure
OK
(Fig.16)
Set Default
Default Device
Default Communication Device
Congure
- When using NB16 to make VOIP calls through apps, please set NB16 Hands-Free as Microphone and Speakers
device. (Fig.17)
Test video
O
Audio
Speakers
(Avantree NB16)
Teat audio
Microphone
(Avantree NB16)
Settings
(Fig.17)
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• No sound with Bluetooth transmitter to watching TV?
- Check audio source is properly
• AUX & RCA output on TV – tested by wired headphones
• OPT output on TV – Set audio format to “PCM/LPCM” or turn o Dolby/DTS Change your TV audio out setting to
External speakers / Headset.
- Ensure Bluetooth transmitter and headphones are connected properly.
• Headphones do not pair with Bluetooth device
- Ensure NB16 is in Pairing mode correctly – LED will ash BLUE and RED alternately.
- For Bluetooth transmitter, please ensure the transmitter is in Pairing mode – refer to its user manual.
- For Smart phone, tablet and PC
• Turn the Bluetooth feature o and then on.
• Delete your Avantree NB16 headphones from the Bluetooth list on your device. Try to pair it again. (Fig.18-19)
• Clear the headphones pairing history
• Please charge it for reset
4:30
Settings Bluetooth
Bluetooth
Now discoverable as “iPhone(2)”
MY DEVICES
Avantree NB16 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.
4G
(Fig.18) (Fig.19)
4:30
Bluetooth Avantree NB16
Forget This Device
4G
Declaration of Conformity
CE: The product is in conformity with the essential requirements of Article 3.1 (a) (b), 3.2 of Directive 1999/5/EC and
the essential requirements of Directive 2004/108/EC.
FCC: This device complies with part 15 of the FCC Rules. Operation is subject to the condition that this device does
not cause harmful interference
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may cause undesired operation.
Changes or modications not expressly approved by the party responsible for compliance could void the user's
authority to operate the equipment.
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.
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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 o
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 dierent from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
FCC ID: 2AITF-BTHS-NB16
To maintain compliance with FCC’s RF Exposure guidelines, this equipment should be installed and operated with
minimum distance between 20cm the radiator your body: Use only the supplied antenna.
WARNINGS / CAUTIONS
• Permanent hearing loss may result from long-term exposure to sound at high volumes.
• This product contains small parts which may be a choking hazard. suitable for children under age.
• To reduce the risk of re or electrical shock, do NOT expose this product to rain, liquids or moisture.
• Do NOT make unauthorized alterations to this product. • Do NOT expose products containing batteries to excessive
heat (e.g. direct sunlight, re, etc.).
• Do not leave a fully charged battery connected to a charger; overcharging
Dispose of the packaging and this product
in accordance with the latest provisions.
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