Boult Audio Z40 Manual | Pairing & Charging Guide

The Boult Audio Z40 earbuds come with specs such as 10mm bass drivers, built-in microphones with ENC technology, Bluetooth 5.3 with SBC and AAC codec supported, fast-charging technology, a total battery life of up to 60 hours using the charging case, the IPX5 sweat and dust-proof certification, and much more. Learn how to use these earbuds using this manual!

Boult Audio Z40 Manual | Step-by-step Earbuds Guide

How To Wear These Earbuds?

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

Automatically: Open the lid of the charging case. After that, the earbuds will turn on automatically.

Manually: Press and hold the multifunction touch area on both earbuds for about 2 seconds. After that, the earbuds will turn on.

Turn Off

Automatically: Place the earbuds into the charging case. After that, the earbuds will turn off automatically.

Manually: Press and hold the multifunction touch area on both earbuds for about 2 seconds. After that, the earbuds will turn off.

How To Pair The Earbuds?

To Android Or iOS Devices

Step 1: Open the lid of the charging case. After that, the earbuds will turn on automatically and will be ready to pair with any device.

NOTE: If the earbuds don’t turn on automatically, then press and hold the multifunction touch area on both earbuds for about 2 seconds. After that, the earbuds will turn on and pair with each other.

Step 2: Unlock the desired device.

Step 3: Go to the device’s settings.

Step 4: Turn on Bluetooth on the desired device.

Step 5: Search for a new device.

Step 6: Select the Boult Audio Airbass earbuds. If a password is needed, type “0000”. After that, the pairing will be done.

To Windows (PC)

Step 1: Turn on Window’s Bluetooth.

Step 2: Go to the settings.

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

Step 4: Click on “Add device”.

Step 5: Click on Bluetooth.

Step 6: Open the lid of the charging case. After that, the earbuds will turn on automatically and will be ready to pair with any device.

NOTE: If the earbuds don’t turn on automatically, then press and hold the multifunction touch area on both earbuds for about 2 seconds. After that, the earbuds will turn on and pair with each other.

Step 7: Select the Boult Audio Airbass earbuds. If a password is needed, type “0000”. After that, the pairing will be done.

How To Control These Earbuds? – Stereo Mode

• Play or pause a song: Press the multifunction touch area on any of the earbuds one time.
• Play the next song: While listening to music, press the multifunction touch area on the right earbud two times.
• Play the previous song: While listening to music, press the multifunction touch area on the left earbud two times.
• Answer an incoming call: Press the multifunction touch area on any of the earbuds one time.
• End a current call: Press the multifunction touch area on any of the earbuds two times.
• Reject an incoming call: With an incoming call, press the multifunction touch area on any of the earbuds two times.
• Activate the voice assistant: Press and hold the multifunction touch area on the left earbud for about 3 seconds.

How To Activate The Mono Mode?

To activate or deactivate the mono mode in these earbuds, all you have to do is to pair the earbuds to the device and take out one of the earbuds from the charging case. It will start working by itself.

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 its 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. It will start charging automatically.

Some Common Problems & Troubleshooting

Left/Right/One side of the earbuds has 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.

FAQs

We hope you now know how to operate the earphone from the above Boult Audio Z40 manual! Want to know anything about the earphones? Do not hesitate to ask in the comments section.