NIVIKO NVK-A8590L TWS Earbuds User Manual
- June 17, 2024
- NIVIKO
Table of Contents
NIVIKO NVK-A8590L TWS Earbuds
Product and accessories
Description of product structure
- MFB button(Touch panel)
- Earbuds indicator
- Microphones
- Charging Case LED indicator
- Charging port
- Reset button
Wearing method
Gently insert the earbuds into the ear then adjust the appropriate comfort.
Basic function
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Power on, Bluetooth connection
Follow the steps(Please confirm that your phone is built-in Bluetooth function) -
Power on Open the charging case, the earbuds will turn on automatically. The earbuds enter the pairing mode automatically while the indicator of one earbud flashes, the other one don’t flash light. Or if you press the MFB button of left/right earbuds for 5 seconds, the left/right earbuds will turn on as well.
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Turn on Bluetooth on your device and select “NVK-A8590” referring to your phone instructions. The indicator of earbuds turns off if the earbuds successfully paired. Pairing mode can just last 180 seconds. If you miss the pairing time, you need to restart the device and operate follow the procedural steps mentioned above.
*Note: -
NVK-A8590 remembers previously connected devices. When turned on, earbuds attempts to reconnect to previously connected device.
-
NVK-A8590 will disconnect when deviate the working range of Bluetooth. The earbuds will reconnect automatically if you come back to the range within 3 minutes.
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Dual devices connection Ensure two devices’ bluetooth open.
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Enable A devices’ Bluetooth pairing function and search for the “NVK-A8590” to pair and connect. And disconnect Bluetooth connection after successful connection. Don’t’ delete the pairing name in your device)
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Connect the headphone with the B deceive, and then turn on the Bluetooth pairing function of device A to connect the headphone.
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Power off
Put the earbuds into the charging case and close it, the earbuds will automatically shut off. Or if you press the MFB button of left/right earbuds for 5 seconds when powering on, the left/right earbuds will turn off as well. -
Answering incoming calls
Press the left or right MFB to answer incoming calls. -
End the call
Long press left or right MFB for 2 seconds to end the current call. -
Decline incoming call
Long press left or right MFB for 2 seconds to reject a call. -
One key for voice assistant
-
Both earbuds work : Triple tap the left or right MFB to activate voice assistant.
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Single earbud work: Triple tap the MFB of working earbud.
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Switch on/Switch off
Game mode Double tap the left MFB button to switch on/switch off game mode. -
Switch on Ambient Sound mode /ANC mode
Double tap the right MFB button to switch on Ambient Sound mode /ANC mode /ANC off by turn. -
Music playing
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Play/Pause: Short press the left or right MFB once.
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Previous song: Long press the left MFB for 2s.
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Next song: Long press the right MFB for 2s. *Note: If only one earbud works, long press left or right MFB for 2s to switch to next song.
Charging Case
The indicator of the case flashes 1 time when put one of the earbuds into the
case. Charge the case using the Type-C cable connected to a computer or wall
charger. When the case is charging, the light of the case is flashing, and
turns off after fully charged.
*Note:
- 0-35%, the case flashes orange light per 2 seconds until next status.
- 35%-70%, the case flashes white light per 2 seconds until next status.
- 70%-100%, the case flashes green light per 2 seconds until next status.
- Full charged, the case flashes green light for 5 seconds and then turn off.
Earbuds
Please put the earbuds to the case to charge when the earbuds make a warning
tone to warn low power.
12 Mono mode (take out any earbuds as a unilateral Bluetooth earbud)
(note: single channel mode only needs to remove one of earbuds from the
charging box; If two earbuds are removed before connection, the earbud will be
used in TWS mode by default, and the TWS connection will be automatically
realized. )
- Take out one earbud from charge case, the earbuds automatically turn on and reconnect to previous connected devices.
- Switch from one earbud to the other earbud when playing music, taking out the other earbud from the charging case and these two earbuds will connected automatically. Both earbuds will play music automatically and then put the earbud which do not need anymore into the charging case and the switching process completes. (note: Call mode is applicable)
- Please refer to the TWS mode for more functions.
Restore factory settings
- If the earbuds can’t pair, please restore the factory settings.
- Put both of the earbuds into charging case and close the cover.
- Open the case again, within 3 minutes, press the reset button for 10 seconds, the indicator of the case flashes for 5 times quickly, the earbuds will enter the pairing mode again, search the “NVK-A8590” bluetooth pairing name with the mobile phone and connect again.
Specification
- Wireless Working Range: 10m (without obstacles)
- Earbuds Battery: 40mAh*2
- Charging Case Battery: 500mAh
- Play Time: 7H(60% Vol.)
- Play Time: 6H(60% Vol. with ANC ON)
- Talk time: 5H(60% Vol.)
- Buds Charging Time: 1H
- Case Charging Time: 2H
- Speaker size: 10mm*2
- Speaker Frequency: 20Hz~20KHz
- Input Voltage / Current: DC 5V/500mA
- USB Port: Type-C
Warnings
- Please follow the instruction to operate.
- Please charge the earbuds with input power below 5V/1A, in order to protect the battery.
- Please store or use the earbuds in a normal temperature environment.
- Please do not use this product near the water. Do not immerse this product in any liquid or splash any liquid on this product.
- Please keep the earbuds from heat source, such as radiators, hot air regulators, stoves, or other heat generating instruments. As it is not anti high temperature.
- Don’t jam the ports of the earbuds, such as charger port, LED port and microphone etc..
- In order to protect your hearing and extend the speaker service life, it is not recommended to adjust the volume to the maximum level for a long time.
- Whatever reasons damage the earbuds, please feel free to contact our after-sales staff in time rather than repair by yourself. Otherwise, you will accept without after-sales service.
FCC Warning
Any Changes expressly or modifications not 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:
- This device may not cause harmful interference, and
- This device must accept any interference received, including interference that may cause undesired operation.
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 Radiation Exposure Statement:
- This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment .
- This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.