cowin KY02 True Wireless Earbuds User Guide

: June 7, 2024
: COWIN

cowin KY02 True Wireless Earbuds User Guide

cowin KY02 True Wireless Earbuds

Important Safety Instructions

Please read carefully and keep all safety and usage instructions in a proper place.

Please read these instructions carefully.
Please keep this instruction manual in a proper place.
Please pay attention to all warnings.
Please follow all instructions described in this manual.
Do not use the product at a place where there is water or moisture.
Please wipe clean with a dry cloth.
Only use attachments/accessories specified by the manufacturer.
If you have any question or inquiry about maintenance, please consult with qualified personnel. If there is any damage to the product, please contact the related personnel for repairing, such as damaged power cord or plug, spillage of liquid or objects, exposure to moisture, or dampness, improper work or external causes such as from a collision.

Warnings/Cautions

Do not use the earbuds at a high volume for any extended period.
To avoid hearing damage, use your earbuds at a comfortable, moderate volume level.
Turn the volume down on your device before placing the earbuds in/on your ears, then turn the volume up gradually until you reach a comfortable listening level.
Do not use the earbuds while driving or you are unable to hear ambient sound, so as to avoid danger.
Focus on your safety and that of others if you use the earbuds while engaging in any activity requiring your attention, e.g., while riding a bicycle or walking in or near traffic, a construction site or railroad and follow applicable laws regarding earbuds use, etc.
Remove the earbuds or adjust your volume to ensure you can hear surrounding sounds, including alarms and warning signals.
If you feel the earbuds generate heat or can’t hear sound, please remove them immediately.
Do not use the phone adapter to connect the earbuds and airplane seat sockets, so as to avoid injury or property damage caused by the overheating.
Do not make unauthorized alterations to this product.
Never attempt to disassemble or alter the product in any way.
Use this product only with an agency approved power supply which meets local regulatory requirements (e.g., UL, CSA, VDE, CCC).
If the battery leaks, please do not contact with your skin or eyes. If contact occurs, please consult a doctor immediately.
Do not expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like).
Wipe off sweat from the earbuds and the charging case before charging.
IPX5 is not a permanent condition, and resistance might decrease as a result of normal wear.

Contains small parts which may be a choking hazard.
Not suitable for children under age 3.

This product contains magnetic material.
Consult your physician on whether this might affect your implantable medical device.

Care and Maintenance

Do not drop, squeeze, bend or use excessive force to the product.
Do not place the product in a damp, cold, extreme environment or for a prolonged period of time. Excessively high or low temperature may cause a fire / explosion of the battery. Keep away from moisture condition, in order to prevent damage of the built-in circuits.
Do not wipe the product with volatile, irritating liquids. The best way is to clean with a soft cloth or a professional leather cleaner.
Do not disassemble the product by yourself. Otherwise, it may result in a short circuit, fire or electric shock. If you need to replace any part of the product resulting from normal wear and tear or cracking, etc., please contact the merchant.
This product contains magnetic material. Keep the product away from magnetic sensitive products (such as credit cards and video screens) to prevent damage.

Listening Safety

Danger

To avoid harm your hearing, do not listen at high volume for a long time. Please adjust the volume to a safe range.

If the earbuds volume is too high, the use time should be shortened.

After-sales Service

This product is covered under warranty for a period of 18-month free maintenance and 30-day unconditional return policies, if you have any quality problems about the product.
E-mail: support@cowinaudio.com
Phone: +1(929)359-6668 (Mon-Fri 9:00 a.m. to 17:30 p.m. PST) Recommend
Website: https://www.cowinaudio.com (Support live chat)
Facebook: https://www.facebook.com/cowinelectronics
Instagram: https://www.instagram.com/cowinaudio
Youtube: https://www.youtube.com/channel/UCQIHuG8eYKa8AFyzOa98RiA
Twitter: https://twitter.com/cowinaudio

Product Parameters

Product Name: Wireless Bluetooth Earbuds
Product Model: KY02
BT Version: V5.0. Support HFP/HSP/A2DP/AVRCP/SPP/PBAP
Working distance: ≥ 10M
Battery capacity: 620mAH/Single earbud 50mAH
Working time: Music playback 5H, talk time 6H
Charging time: Charging case 1.5H, earbuds 0.8H
Speakers: φ6mm, 16Ω
Working current: 9mA
Voice support: Status prompt
Waterproof rating: IPX5

Packing Contents

FIG 1 Packing Contents

Product Introduction

FIG 2 Product Introduction

Battery charge

FIG 3 Battery charge

Charging case Indicators

FIG 4 Charging case Indicators

FIG 5 Charge the earbuds

Charge the earbuds：
This product adopts the magnet contact charging method.

Place the earbuds into the charging case and close the cover to charge. When placing the earbuds into the charging case, the LED indicator lights up in blue.
The charging starts automatically and it takes about 1 hour for a full charge.

Secure fit

FIG 6 Secure fit

Please check the “L” and “R” (see details of pairing method on the manual)
Put the earbuds on your ears. Please adjust the angle according to your ears and make sure they fit in the ear securely and comfortably.
We have provided different size of ear tips, please choose according to your needs.

Power ON/OFF

Power on

FIG 7 Power on

Open the charging case, the earbuds are powered on automatically. The blue light flashes, and the left and right earbuds are automatically paired.
In the power off state, press and hold the touch panel for about 2 seconds (blue indicator light flashes).

Power off

FIG 8 Power off

Put the earbuds into the charging case and close the cover, the earbuds will automatically power off.
In the power on state, press and hold the touch panel for about 5 seconds (Blue indicator light goes out).

Earbuds connection

Earbuds connection with each other

Automatically Paired
Open the charging case, the earbuds are powered on automatically. The blue light flashes, and the left and right earbuds are automatically paired.

Earbuds Cannot Pair Each Other

If the earbuds are currently or had already been connected to a Bluetooth device, click “forget” or remove “COWIN KY02” from your Bluetooth settings and turn off Bluetooth on your device.
Put the earbuds into the charging case, plug in the charging cable to charge the earbuds, then press and hold the touch panel for 5 seconds, the blue light flashes three times to clear the Bluetooth pairing record.

Earbuds Bluetooth connections

Auto connection

Open the cover of the charging case and remove the earbuds;
The left and right earbud are automatically turned on and paired. The left earbud stops flashing blue light and the right earbud starts flashing blue light. The pairing is successful.
Open the Bluetooth function on the device to search “COWIN KY02”, and tap to finish the connection.
If the connection fails, put the earbuds back to the charging case and repeat the above operations.

After the first connection, the earbuds will automatically connect to the last paired device (Bluetooth needs to be turned on).

Manual connection

In the power off state, manually turn on the earbuds, and they will pair automatically.
The left earbud stops flashing blue light, and the right earbud flashes blue light, the pairing is successful;
Open the Bluetooth function on the device to search”COWIN KY02″, and tap to finish the connection.

If you still have any questions about Bluetooth connections, please contact our after-sales service:
E-mail: support@cowinaudio.com
Phone: +1(929)359-6668 (Mon-Fri 9:00 a.m. to 17:30 p.m. PST) Recommend
Website: https://www.cowinaudio.com (Support live chat)
Facebook: https://www.facebook.com/cowinelectronics
Instagram: https://www.instagram.com/cowinaudio
Youtube: https://www.youtube.com/channel/UCQIHuG8eYKa8AFyzOa98RiA
Twitter: https://twitter.com/cowinaudio

Earbuds Controls

The following operations are suitable for both left and right earbuds.
Answer/End the calls
When there is an upcoming call, tap the touch panel to answer the call;
When you are speaking on the phone, tap the touch panel to end the call.

Refuse the call
When there is an incoming call, press and hold the touch panel for about 3 seconds.

Play/Pause music
In the standby mode/music playback, double tap the touch panel to play/pause music.

Previous track
Press and hold the left earbud for 2 seconds.

Next track
Press and hold the right earbud for 2 seconds.

Voice assistant
Tap the left/right earbud 3 times to activate the phone voice assistant.

Power-saving function
In the standby mode (When it is not connected with the smart-phone), the earbuds automatically shut down after 5 minutes.

Clear pairing records

Clear the “COWIN KY02” connection record on the mobile phone;
Put the earbuds into the charging case, plug in the charging cable to charge the earbuds, press and hold the touch panel for 5 seconds, the blue light flashes three times to clear the Bluetooth pairing record.

FIG 9 Clear pairing records

FAQ

If the earbuds does not function as expected, try the following steps to resolve the issue.

Find the symptoms of the issue in this User Guide, and try any corrective actions listed.
Charge the battery: You may be able to resolve some issues by charging the battery.
Initialize the earbuds: This operation resets the earbuds to the factory settings and deletes all pairing information.
Look up information on the issue on the customer support.

2. Can’t turn on the Bluetooth earbuds.

The battery level is low, please charge the earbuds in time.
Put into the charging case to charge the battery.

3. Unable to make a Bluetooth connection.

Check that the earbuds are turned on.
Check that the Bluetooth device is turned on and the Bluetooth function is on.
Make sure the earbuds are not connected to another device.
Move your mobile device closer to the earbuds and away from any interference or obstructions.
Clear the earbuds pairing list and connect again.

4. The earbuds are connected to a Bluetooth-enabled device (mobile phone, PC, tablet, etc.), but you can’t play a song through the earbuds.

Refer to your device’s user manual and select to play songs through the earbuds.
For some music playback software, you have to go into the setup interface, and choose to play songs through the earbuds from the list of output devices (it typically occurs on the PC).

5. Poor sound quality.

Move your mobile device closer to the earbuds (30 ft. or 10 m) and away from any interference or obstructions.
Make sure that both earbuds fit securely in your ear.
Use a different music source.
Try connecting another mobile device.
Clear any debris or wax buildup from the earbuds and earbuds nozzles.

6. Earbuds don’t charge.

Make sure the earbuds are properly placed in the charging case.
Make sure the charging case battery is not depleted.
Make sure there is no dirt or debris covering the charging conductors within the case or on the earbuds.
If your earbuds have been exposed to high or low temperatures, let the earbuds return to room temperature and then try charging again.

7. Charging case doesn’t charge.

Check the case battery level by gently pressing the button on the case. If needed, charge the case with the supplied USB cable.
Secure both ends of the USB cable.
If your charging case has been exposed to high or low temperatures, let the case return to room temperature and then try charging again.

8. No sound.

Press play on your mobile device to make sure the audio track is playing.
Place the earbuds in the charging case to check the earbuds charging status. If needed, charge the earbuds.
Increase the volume on the earbuds and mobile device.
Press the Bluetooth button to hear the connected mobile device. Make sure you are using the correct device.
Move your mobile device closer to the earbuds (30 ft. Or 10 m) and away from any interference or obstructions.
Use a different music source.
Connect a different mobile device

9. Earbuds cannot pair each other or only one earbud worked.

If the earbuds are currently or had already been connected to a Bluetooth device, click “forget” or remove “COWIN KY02” from your Bluetooth settings and turn off Bluetooth on your device.
Then put the earbuds into the charging case, plug in the charging cable to charge the earbuds, then press and hold the touch panel for 5 seconds, the blue light flashes three times to clear the Bluetooth pairing record.

10. Cannot hear a person on a call.

Check that both the earbuds and the connected device (i.e., smart-phone) are turned on.
Turn up the volume of the connected device if it is too low.
Check the audio settings of the Bluetooth device to make sure the sound comes from the earbuds during a call.
Re-establish the connection using the Bluetooth device.
While listening to music with the earbuds, stop playback and press the button on the right or left unit to respond to an incoming call.

11. Why do the earbuds always fall off?

Choose the ear tips/ear wings that fit the size of your ear.
Wear the earbuds correctly.

12. The Bluetooth connection and sound signal are unstable.

The Bluetooth device is out of range. Please shorten the distance between the earbuds and the Bluetooth device. And keep away from any interference or obstacles.

13. Do both earbuds have call function when using single earbud?

In the case of single earbud use, only the right earbud can be connected to Bluetooth, answer/end the calls, play/pause music etc; the left ear cannot be used.

14. Can I use it on Apple products?

Supports iPhone, iPad, Samsung, Sony, Huawei, Xiaomi and other smart-phone devices. Supports Bluetooth audio devices.
As long as your device is with Bluetooth version above 4.0, you can use it with the earbuds.

15. What version of Bluetooth is in the earbuds? What is the maximum distance the earbuds will cover?

The Bluetooth version is 5.0. The maximum distance is greater than or equal to 10 meters in case of no interference.

16. How to charge the earbuds? How many times does the charging case charge the earbuds? How long does it take to charge the earbuds?

Place the earbuds into the charging case and close the cover, it will start to charge the earbuds.
The charging case can charge the earbuds 5 times when it is fully charged.
It takes about one hour to fully charge the earbuds, depending on the actual situation.

17. Can I use the earbuds when charging?

The earbuds must be put into the charging case when charging. So you can’t use it during charge.

18. How to eliminate the noise effect?

This is non-noise-cancelling earbuds that do not have a strong noise cancelling effect.

19. Does it support the fast charge function?

These earbuds do not support fast charge function.

20. What are the environmental requirements for the product?

Please use the product under normal environment where the temperature is between -10 °C and 40 °C.

21. How to disconnect the earbuds from a Bluetooth connected device?

Put the earbuds into the charging case and close the cover. The earbuds will automatically shut down.
Press and hold the touch panel for about 4 seconds (blue light) when turned on.
Clear earbuds pairing records.
Manually disconnect the earbuds on the Bluetooth connected device.

After reading this user manual, if you still have any questions, please contact our after-sales service center and we will provide you with 24-hours service:

E-mail: support@cowinaudio.com
Phone: +1(929)359-6668 (Mon-Fri 9:00 a.m. to 17:30 p.m. PST) Recommend
Website: https://www.cowinaudio.com (Support live chat)
Facebook: https://www.facebook.com/cowinelectronics
Instagram: https://www.instagram.com/cowinaudio
Youtube: https://www.youtube.com/channel/UCQIHuG8eYKa8AFyzOa98RiA
Twitter: https://twitter.com/cowinaudio

For support