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JBL Tune 120TWS Manual | In-depth Guide

The JBL Tune 120TWS earbuds have Bluetooth 4.2, a 5.8mm dynamic driver, a battery life of about 4 hours, a charging time of fewer than 2 hours, the IPX5 dust and sweat-proof certification, and much more. Learn how to use these earbuds using this manual!

JBL Tune 120TWS | Pairing & Troubleshooting

How to Pair The Earbuds?

To iOS and Android Phones

Step 1: Open the lid of the charging case and take the earbuds out. After that, a white light will start flashing, and they will turn on automatically. Also, you can press and hold the multifunction touch button on both earbuds for about 2 seconds.

When a blue and white light starts flashing on the earbuds and on the charging case, it means that they are now ready to pair with any device.

NOTE: If the earbuds don’t enter pairing mode automatically, then press and hold the multifunction touch button on both earbuds for about 5 seconds.

Step 2: Turn on Bluetooth on the desired device.

Step 3: Go to the device’s Bluetooth settings.

Step 4: Select “JBL TUNE120TWS”. If a password is needed, type “0000”. After that, a blue will starts flashing on the earbuds, and the pairing will be done.

To PC (Windows)

Step 1: Turn on Bluetooth on the desired device.

Step 2: Go to the settings.

Step 3: Go to “Bluetooth and other devices”.

Step 4: Click on “Add device”.

Step 5: Open the lid of the charging case and take the earbuds out. After that, a white light will start flashing, and they will turn on automatically. Also, you can press and hold the multifunction touch button on both earbuds for about 2 seconds.

When a blue and white light starts flashing on the earbuds and on the charging case, it means that they are now ready to pair with any device.

NOTE: If the earbuds don’t enter pairing mode automatically, then press and hold the multifunction touch button on both earbuds for about 5 seconds.

Step 6: Select “JBL TUNE120TWS”. If a password is needed, type “0000”. After that, a blue will starts flashing on the earbuds, and the pairing will be done.

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Credits: JBL

How to Wear?

Step 1: Take both earbuds out of the charging case.

Step 2: Identify the left and right earbuds.

Step 3: Choose the ear tips that best suit your ears.

Step 4: Insert the headphones into the inner canal of the ears.

Step 5: Rotate for the best possible comfort and best fit, and make sure that the microphone is pointing to the mouth.

How to Turn On and Off?

Turn on: Open the lid of the charging case and take the earbuds out. After that, a white light will start flashing, and they will turn on automatically. Also, you can press and hold the multifunction touch button on both earbuds for about 2 seconds.

Turn off: Place the earbuds into the charging case and close its lid. After that, the earbuds will turn off automatically. Also, you can press and hold the multifunction touch button on both earbuds for about 5 seconds.

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Credits: JBL

How to Control? / How to Operate? – Instructions

  • Play or pause music: Press the multifunction touch button on the right earbud one time.
  • Play the next song: Press the multifunction touch button on the left earbud one time.
  • Play the previous song: Press the multifunction touch button on the left earbud two times.
  • Answer an incoming call: Press the multifunction touch button on the right earbud one time.
  • End a current call: Press the multifunction touch button on the right earbud one time.
  • Mute or unmute the microphone: Press and hold the multifunction button on the right earbud for about 3 seconds.
  • Activate the voice assistant: Press the multifunction button on the right earbud two times.
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Credits: JBL

How to Charge The Earbuds?

Earbuds

To charge the earbuds, all you have to do is to place them into the charging case and close the lid. The earbuds will start charging automatically.

Charging case

To charge the charging case, all you have to do is to connect the case to a USB charger or charging port with the included USB-A to C cable. It will start charging automatically.

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Credits: JBL

What Do The Lights Mean?

Earbuds

  • A white light flashing: The earbuds turn on.
  • A blue and white light flashing: The earbuds are ready to pair with any device.
  • A blue light flashing: The earbuds are now connected.
  • A white light flashing slowly: The earbuds have a low battery.
  • A light on while charging: The earbuds are charging.
  • Said light turns off while charging: The earbuds are fully charged.
  • The lights flashing while resetting: The earbuds are resetting.

Charging case

  • One light flashing: The case has a low battery.
  • One light on and one flashing while charging: The case is charging.
  • All lights turn off while charging: The case is fully charged.
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Credits: JBL

How to Reset The Earbuds?

Step 1: Delete all “JBL TUNE120TWS” pairing information from the connected device.

Step 2: Place the earbuds into the charging case and keep the lid open.

Step 3: Press and hold the button on both earbuds for a couple of seconds, until the lights start flashing. After that, the resetting will be done.

Some Common Problems & Troubleshooting

Left / Right / One side of the earbuds have stopped working

If this happens, it may be because it is low on battery or it did not connect correctly with the device. To fix this, you can do the following:

1. Try charging the earbud that is not working or both, placing them in the charging case.

2. Try factory resetting the earbuds.

3. Check if the earbuds are operating within a normal working range

If that doesn’t work, the earbud is probably faulty, and I can go for a refund or replacement of it.

Left / Right / One side of the earbuds has a low volume

If this happens, it may be because the earbuds are dirty or the volume is set low. To fix this, you can do the following:

1. Try cleaning the earbud using a cotton swab or carefully clean the mesh with a pin.

2. Try factory resetting the earbuds.

The microphone is not working

If this happens, it can be because the microphone is muted, or the earbuds are badly positioned. To fix this, you can do the following:

If the microphone is muted, check the device microphone volume. If that doesn’t work, that means that there might be a defect in the earbud, so try replacing them or get a refund.

The earbuds are not connecting to Windows/laptop/PC

If the earbuds are earbuds not connecting, it can be because the Bluetooth on the computer has a pairing problem. To fix this, you can do the following:

1. Try disabling Bluetooth from nearby devices >>> then activate the pairing mode of the earbuds, pair and connect earbuds from Settings >>> Bluetooth & other devices >>> Add a new device >>>> select Bluetooth.

2. Try uninstalling and reinstalling the Bluetooth driver, or updating the Bluetooth driver. All can be done in Manage >>> Device Manager, reset earbuds (if available), and then repeat the step.

3. Try resetting the earbuds.

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Credits: HiFiReport

FAQs

Are the JBL Tune 120TWS waterproof?

No, the JBL Tune 120TWS are not waterproof (IPX6 and up). They have a rating of IPX5, which means they’re protected against some water projected from a nozzle.

Do the JBL Tune 120TWS have a microphone?

Yes, the earbuds come with integrated microphones.

Do the JBL Tune 120TWS have a low latency/gaming mode?

No, these earbuds don’t have a low latency/gaming mode.

Can the JBL Tune 120TWS connect to PCs and laptops?

Yes, these earbuds can connect to PCs, laptops, and even tablets.

Are the JBL Tune 120TWS noise-canceling?

No. These earbuds don’t come with noise-cancellation technology.

How to know when the JBL Tune 120TWS are fully charged?

When the earbuds are charging, a light turns on. When fully charged, said light turns off.

We hope you now know how to operate the earphone from the above JBL Tune 120TWS manual. Want to know anything about the earphones? Do not hesitate to ask in the comments section.