Avantree BTHS-NB16 Wireless Neckband Earphones User Manual

User Manual
Wireless Neckband Earphones
BTHS-NB16

Product Overview

Ear Fin Fitting

Basic operations

General
Power ON / OFF| Hold for about 3s
ENTER PAIRING MODE| From of status, hold for about 5s until LED flashes BLUE and RED alternately
Music control
Play/pause music| Press once
Volume up / down| Short press
Next/previous track| Long-press
Call control
Answer/end a call| Press once
Reject a call| Long press for 1s
Voice dial(Phone feature)| Press simultaneously

LED indicator status

Pair and connect

1. Set headset to PAIRING MODE – From of status, hold for about 5 seconds until LED flashes BLUE and RED alternately. (Fig.1)
   (Note: For first-time use, it will enter pairing mode automatically after power on.)
   

2. Activate Bluetooth on your device, search and select “Avantree NB16” to connect. Once connected, LED will flash BLUE twice every 5s, you will hear a voice prompt “Your device is connected”. (Fig.2-4)

Reconnect

Normally, when turning the 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)

To add another device

1. Turn of the Bluetooth of the first device.

2. Repeat steps in “Pair and connect” part to add the second device.Fig.7-9)
   

3. Turn on the Bluetooth of the first device, it will automatically reconnect. Otherwise, please connect it to the phone manually. (Fig.10-11)

Note: it only works for two mobile devices, such as mobile phones and tablets, not for PC and Bluetooth transmitters.

Charging

When the LED flashes 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 of 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)

Clear the headphones pairing history

Make sure NB16 is powered on. Press and hold and together for about 5s, until LED lights on blue and red simultaneously for about 2s (looks pink). It will power of thereafter. (Fig.14-15)

Troubleshooting

• No sound with PC?
  – Set Avantree NB16 as the default device or output device on the PC. (Fig.16)
  – When using NB16 to make VOIP calls through apps, please set NB16 Hands-Free as Microphone and Speakers device. (Fig.17)
  

• 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 of 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 flash BLUE and RED alternately.
  – For Bluetooth transmitter, please ensure the transmitter is in Pairing mode – refer to its user manual.
  – For smartphones, tablets and PC
  • Turn the Bluetooth feature off 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

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 modifications 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.
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.
FCC ID: 2AITF-BTHS-NB16
To maintain compliance with FCC’s RF exposure guidelines, this equipment should be installed and operated with a minimum distance between 20cm of 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 fire 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, fire, 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.

References

• Support Center | Avantree
• Wireless TV Headphones, Devices, and Audio Solutions | Avantree
• Contact Us

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