Csasan V90 Manual | Everything You Need To Know

The Csasan V90 earbuds come with specs such as CVC8.0 Noise Reduction technology, Hi-Fi Stereo Sound, Bluetooth 5.3 and 10 meters of working range, a total battery life of up to 48 hours, the waterproof IPX7 certification, and much more. Learn how to use these earbuds using this Csasan V90 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.

Csasan V90 Specs Sheet

Model	Csasan V90
Waterproof/IP ratings	IPX7
Bluetooth version	V5.3
Range/Distance	10 meters
Connectivity Port/Charging Cable	Type-C
Audio Decoding	SBC, AAC
Driver	13mm
Speaker frequency response	20Hz – 20kHz
Battery Life	Earbuds: About 8 hours Charging case: About 40 hours
Charging Time	Earbuds: Around 1.5 hours Charging case: About 1.5 hours
App Support	No
Controls/Features	Play and pause a song, play the next and previous song, answer, end, and reject a call, turn the volume up and down, voice assistant
Accessories	Charging case, USB cable, user manual, ear tips
Price	Around 80 USD

Csasan V90 Accessories

The earbuds come with the following accessories:

• Charging case.
• USB cable.
• User manual.
• Ear tips.

Csasan V90 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 and take the earbuds out. After that, the earbuds will turn on automatically.

Manually: Press and hold the multifunction touch button on both earbuds for about 3 seconds. After that, the “Power on” voice prompt will sound, and 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 the multifunction touch button on both earbuds five times. After that, the earbuds will turn off.

How To Pair The Earbuds? – Dual Mode

To Android And iOS Devices

Step 1: Open the lid of the charging case and take the earbuds out. After that, the earbuds will turn on automatically.

One earbud will flash a white light, while the other earbud will flash a white light every 3 seconds, indicating that the earbuds are paired with each other and are now ready to pair with any device.

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 V90 earbuds. If a password is needed, type “0000” or “1234”.

After that, the flashing lights will turn off, the “Connected” voice prompt will sound, and 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 and take the earbuds out. After that, the earbuds will turn on automatically.

One earbud will flash a white light, while the other earbud will flash a white light every 3 seconds, indicating that the earbuds are paired with each other and are now ready to pair with any device.

Step 7: Select the V90 earbuds. If a password is needed, type “0000” or “1234”.

After that, the flashing lights will turn off, the “Connected” voice prompt will sound, and the pairing will be done.

How To Pair The Earbuds? – Mono Mode

Mode 1

Step 1: Pair both earbuds with the device.

Step 2: When in dual mode, place one of the earbuds into the charging case. The other one will continue working by itself.

Mode 2

Step 1: Take only one of the earbuds out of the charging case. It will enter pairing mode.

Step 2: Search for a new device.

Step 3: Select the V90 earbud. If a password is needed, type “0000” or “1234”.

After that, the pairing will be done.

How To Control These Earbuds?

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

• Play or pause a song: Press the multifunction touch button on any of the earbuds two times.
• Turn the volume up: Press the multifunction touch button on the right earbud one time.
• Turn the volume down: Press the multifunction touch button on the left earbud one time.
• Play the next song: While listening to music, press and hold the multifunction touch button on the right earbud for about 2 seconds.
• Play the previous song: While listening to music, press and hold the multifunction touch button on the left earbud for about 2 seconds.
• Answer an incoming call: Press the multifunction touch button on any of the earbuds one time.
• End a current call: Press and hold the multifunction touch button on any of the earbuds for about 2 seconds.
• Reject an incoming call: Press and hold the multifunction touch button on any of the earbuds for about 2 seconds.
• Activate the voice assistant: Press the multifunction touch button on any of the earbuds three times.

How To Reset And Re-Pair These Earbuds?

Step 1: Place the earbuds into the case and close its lid.

Step 2: Delete the V90 earbuds from the devices’ Bluetooth list.

Step 3: After 10 seconds, open the charging case and reconnect the earbuds.

Step 4: Search for a new device.

Step 5: Open the lid of the charging case and take the earbuds out. After that, the earbuds will turn on automatically.

One earbud will flash a white light, while the other earbud will flash a white light every 3 seconds, indicating that the earbuds are paired with each other and are now ready to pair with any device.

Step 6: Select the V90 earbuds. If a password is needed, type “0000” or “1234”.

After that, the flashing lights will turn off, the “Connected” voice prompt will sound, and the pairing will be done.

How To Charge The Earbuds?

Earbuds

To charge the earbuds, all you have to do is place them into the charging case. 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?

Earbuds

• A white light on for 1 second: The earbuds turn on.
• A red light on for 1 second: The earbuds turn off.
• A white and red light flashing in one of the earbuds and a white light flashing slowly on the other one: The earbuds will now be ready to pair with any device.
• A white light on for 1 second in one of the earbuds: The earbuds are connected.
• A red light flashing while on the charging case: The earbuds are charging.

Charging Case

• 0 to 99 appears on the display while charging: The case is charging.
• A 100 appears on the display while charging: The case is fully charged.
• Flashing down and up design with the earbuds inside: The earbuds are charging.
• Said flashing lights turn off with the earbuds inside: The earbuds are fully charged.

The Earbuds’ Voice Prompts

• Connected: The earbuds are connected.

Do These Earbuds Have An App?

Sadly, these earbuds don’t come with app support.

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 Csasan V90 manual. Want to know anything about the earphones? Do not hesitate to ask in the comment section below.