Product Title
Support Video
FAQ
Documents & Drivers
Support Video
FAQ
Documents & Drivers
Support Video
How to Use Crossky C30
FAQ
App & Control
Battery & Charging
Bluetooth & Connection
Care & Others
Sound & ANC
Pair the earbuds with the QCY app on your phone to check the battery level.
To download the app, just search for "QCY" in your app store.
To download the app, just search for "QCY" in your app store.
Update the fireware on the QCY APP
Pathway: Open the QCY APP -Settings - Firmware Update - Click Update
Pathway: Open the QCY APP -Settings - Firmware Update - Click Update
1. Get the QCY App.
The QCY app is available on iOS and Android devices. lt can be installed from the Google Play Store or the App Store.
2. Connect the QCY earbuds with your device via Bluetooth (i.e. a smartphone or tablet)
3.Use the QCY app for enhanced product experience.
The QCY app is available on iOS and Android devices. lt can be installed from the Google Play Store or the App Store.
2. Connect the QCY earbuds with your device via Bluetooth (i.e. a smartphone or tablet)
3.Use the QCY app for enhanced product experience.
The app itself doesn’t normally need location access. However, when Bluetooth Low Energy (BLE) is used to find your earbuds, Android requires location permission.
If you prefer not to share your location, close the app and try pairing again.
If you prefer not to share your location, close the app and try pairing again.
1. Pair the earbuds with your phone.
2. Open the QCY app, scroll to the bottom, and click "Add Devices."
3. If "QCY Crossky C30S" pops up, select it to connect.
4. If not, click "Set Up Manually" and choose "QCY Crossky C30S" from the list to connect.
2. Open the QCY app, scroll to the bottom, and click "Add Devices."
3. If "QCY Crossky C30S" pops up, select it to connect.
4. If not, click "Set Up Manually" and choose "QCY Crossky C30S" from the list to connect.
1. Remove the stickers on new earphones if it is new.
2. Reset your earphones.
3. Use a cotton swab dipped in alcohol to gently wipe the charging pins of your earphones.
4.Use a 5V charger to charge your earphones.
2. Reset your earphones.
3. Use a cotton swab dipped in alcohol to gently wipe the charging pins of your earphones.
4.Use a 5V charger to charge your earphones.
Due to different usage habits and varying battery health between the left and right ears, it is normal for there to be some difference in battery consumption between the two earbuds during use.
1. Ensure the earbuds are seated properly in the case.
2. Clean the charging contacts on both the earbuds and case to ensure a proper connection.
2. Clean the charging contacts on both the earbuds and case to ensure a proper connection.
The total battery life is 40 hours.
The headphones can be used for 6 hours on a single charge.
The headphones can be used for 6 hours on a single charge.
No, QCY Crossky C30S uses air conduction.
No, they cannot. The ear clips can be connected to two devices at the same time using Dual Connection, but they can only play audio from one device at a time.
Yes, they can be used directly upon being taken out of the case, including when only removing a single earbud.
To connect two devices:
Step 1. Pair the headphones with device A.
Step 2. Disable Bluetooth on device A, and the headphones will enter pairing mode.
Step 3. Pair the headphone with device B.
Step 3. Re-enable Bluetooth on device A and reconnect to the headphones.
After this initial setup, the headphones will automatically connect to both devices next time.
Step 1. Pair the headphones with device A.
Step 2. Disable Bluetooth on device A, and the headphones will enter pairing mode.
Step 3. Pair the headphone with device B.
Step 3. Re-enable Bluetooth on device A and reconnect to the headphones.
After this initial setup, the headphones will automatically connect to both devices next time.
Unfortunately, due to issues related to shipping costs and customs fees, we are unable to sell the charging case separately
1. Use your earbuds regularly to avoid battery over-discharge. Aim to use them at least once a month.
2. Charge the earbuds after each use, and don't wait until they drop below 20% to charge.
3. Open the case at least once a month to check that everything works, and charge the case monthly.
4. Clean the charging pins on both the earbuds and case regularly.
5. Keep the ear tips clean and wipe the metal mesh with rubbing alcohol.
6. lf they get wet, use a hairdryer on the 'cool' setting to dry them.
2. Charge the earbuds after each use, and don't wait until they drop below 20% to charge.
3. Open the case at least once a month to check that everything works, and charge the case monthly.
4. Clean the charging pins on both the earbuds and case regularly.
5. Keep the ear tips clean and wipe the metal mesh with rubbing alcohol.
6. lf they get wet, use a hairdryer on the 'cool' setting to dry them.
You can use an alcohol pad or a regular wet wipe to gently clean the surface. Please do not soak them in water.
Try to re-pair your headphones: Clear the pairing records on your phone, then re-pair the earbuds to your device.
You can try the following troubleshooting steps:
1. Check the audio source: Test different types of music and make sure the audio source is clear and free of distortion or noise.
2. Customize the EQ settings: Use the QCY app to try different EQ modes or customize the sound profile to suit your preferences.
1. Check the audio source: Test different types of music and make sure the audio source is clear and free of distortion or noise.
2. Customize the EQ settings: Use the QCY app to try different EQ modes or customize the sound profile to suit your preferences.
Manuals
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