Nothing CMF Buds Manual | All You Need To Know

The Nothing CMF Buds earbuds come with specs such as 8 hours of playtime + 27.5 hours using the charging case, app support, Active Noise Cancellation and Transparency modes, Bluetooth 5.3 technology, built-in microphones and 10mm drivers on each earbud, a light weight of only 4.8 grams per earbud, and much more. Learn how to use these earbuds using this Nothing CMF Buds manual!

If you are interested in purchasing these earbuds, you can easily do it using the Amazon online store. Also, in case you are interested in giving the original manual a look, you can do it here.

Nothing CMF Buds Specs Sheet

Model	Nothing CMF Buds
Weight	Earbuds: Around 4.8 grams each Charging case: Around 44.5 grams
Waterproof/IP ratings	IPX4
Bluetooth version	V5.3
Range/Distance	10 meters
Connectivity Port/Charging Cable	Type-C
Audio Decoding	SBC, AAC
Driver	10mm
Speaker frequency response	20Hz – 20kHz
Battery Life	Earbuds: Around 8 hours Charging case: Around 27.5 hours
Charging Time	Earbuds: Around 1.5 hours Charging case: Around 1.5 hours
App Support	Yes, Nothing X app
Controls/Features	Play and pause a song, play the next and previous song, answer, end, and reject a call, voice assistant, ANC, Transparency mode
Accessories	Charging case, USB cable, user manual, ear tips, safety information and warranty information
Price	Around 40 USD

Nothing CMF Buds Accessories

The earbuds come with the following accessories:

• Charging case.
• USB cable.
• User manual.
• Ear tips.
• Safety information and warranty information.

Nothing CMF Buds Manual | Pairing & Charging Instructions

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.

Turn Off

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

How To Pair The Earbuds?

To Google Fast Pair Devices

Step 1: Open the lid of the charging case.

Step 2: Place the case close to the Google Fast Pair device.

Step 3: Accept the on-screen setup.

To Android And iOS Devices

Step 1: Open the lid of the charging case. After that, the earbuds will turn on automatically and pair with each other.

Step 2: Press the button on the charging case for a couple of seconds, or until a light starts flashing. The earbuds will be ready to pair.

Step 3: Unlock the desired device.

Step 4: Go to the device’s settings.

Step 5: Turn on Bluetooth on the desired device.

Step 6: Search for a new device.

Step 7: Select the CMF Buds earbuds. If a password is needed, type “0000” or “1234”.

After that, the pairing will be done.

To Windows (PC)

Step 1: Turn on the 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 pair with each other.

Step 7: Press the button on the charging case for a couple of seconds, or until a light starts flashing. The earbuds will be ready to pair.

Step 8: Select the CMF Buds earbuds. If a password is needed, type “0000” or “1234”.

After that, the pairing will be done.

Do These Earbuds Have An App?

Yes, these earbuds have an app specially made for them, called Nothing X, which is available for iOS and Android devices. When connecting it to the respective earbuds, you will see the earbuds and the battery they have, as well as three specific options:

• Equalizer: Here, you can configure the sound that the earbuds emit, thanks to the use of specific configurations or configured as desired.
• Controls: In this option, the various controls that the earbuds have available can be configured, as well as changed, activated, or deactivated.
• Noise control: Due to the earbuds having ANC and Transparency mode support, in here, you will be able to activate or deactivate any of them, plus have the chance to configure the ANC feature.
• Device settings: These are the general configurations of the earbuds, where you can activate or deactivate features, information about the earbuds, and tips and support provided by the company.

How To Control These Earbuds?

NOTE: The multifunction touch button is placed on the upper part of the body of the earbuds.

• Auto-pause a song: Take the earbuds out of the ear canal.
• Auto-play a song: Place the earbuds into the ear canal.
• Play the next song: Press the multifunction touch button on any of the earbuds two times.
• Play the previous song: Press the multifunction touch button on any of the earbuds three times.
• Answer an incoming call: Press the multifunction touch button on any of the earbuds two times.
• End a current call: Press the multifunction touch button on any of the earbuds two times.
• Reject an incoming call: Press the multifunction touch button on any of the earbuds three times.
• Switch between ANC and Transparency mode: Press and hold the multifunction touch button on any of the earbuds.

How To Charge The Earbuds?

Earbuds

To charge the earbuds, all you have to do is 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 connect the case to a USB charger or charging port. It will start charging automatically.

What Do The Lights Mean?

Charging Case

• A light flashes when the button is pressed: The earbuds are ready to pair.
• A red light on while charging: The case is charging.
• A white light on while charging: The case is fully charged.
• A red light on: The case has less than 30% of battery.
• A white light on: The case has more than 30% of battery.
• A red light on with the earbuds inside: The earbuds are charging.
• A white light on with the earbuds inside: The earbuds are fully charged.
• A red light flashes one time when the earbuds are taken out: The earbuds have less than 30% of battery.
• A white light flashes one time when the earbuds are taken out: The earbuds have more than 30% of battery.
• A white light flashing, turns to red and then white again while resetting: The earbuds are resetting.

How To Reset And Re-Pair These Earbuds?

Step 1: Delete the CMF Buds earbuds from the devices’ Bluetooth list.

Step 2: Turn off Bluetooth.

Step 3: Place the earbuds into the charging case and keep the lid open.

Step 4: Press and hold the button on the case for about 10 seconds. A white light will be flashing.

Step 5: A red light will flash two times, and then it turns white again, release the button.

Step 6: Turn on Bluetooth.

Step 7: Search for a new device.

Step 8: Select the CMF Buds earbuds. If a password is needed, type “0000” or “1234”.

After that, the pairing will be done.

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.

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 earbuds, so try replacing them or getting a refund.

The earbuds are not connecting to Windows/laptop/PC

If the earbuds are 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 earbuds from the above Nothing CMF Buds manual. Want to know anything about the earbuds? Do not hesitate to ask in the comment section below.