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1. イヤホンがケースに正しく収まっていることを確認してください。.
2. イヤホンとケースの両方の充電接点をきれいに拭き、確実に接続されるようにしてください。.
3. If the issue persists, contact our service center.

1. Make sure the earbuds are charged.
2. Check if the ear tips are installed properly.
3. If the earbuds still don’t turn on after charging, contact our service center.

To get more battery life from your earbuds, try these tips:
- Lower the volume.
- Turn off ANC
- Disable smart features and Spatial Audio.
- Use only one earbud for phone calls.
- Turn off the earbuds when you're not using them.

イヤホンをスマートフォンのQCYアプリとペアリングして、バッテリー残量を確認してください。.
アプリをダウンロードするには、アプリストアで「QCY」と検索してください。.

Step 1. Clear the pairing records between the earbuds and all of the previous devices.
Step 2. Try to clear some Bluetooth listings on your device and restart the device. Step 3. Put the earbuds into the charging case to reset.
Step 4. Take the earbuds out of the charging case. Activate Bluetooth on the device, and choose "QCY T13 ANC 2" on Bluetooth list to pair.
If that doesn’t work:
- Try pairing with another device to check for compatibility issues.
- Ensure there are no objects blocking the Bluetooth signal.

To connect two devices:
Step 1. Pair the earbuds with device A.
Step 2. Disable Bluetooth on device A, and the earbuds will enter pairing mode.
Step 3. Pair the earbuds with device B.
Step 3. Re-enable Bluetooth on device A and reconnect to the earbuds.
After this initial setup, the earbuds will automatically connect to both devices next time.

Please note that this may not indicate an issue with the earbuds themselves, but could be related to the connected device or your environment. Bluetooth signals can be affected by obstacles like walls, appliances, Wi-Fi interference, and more. To ensure a stable connection, try to minimize such obstructions.
To resolve the issue, follow these troubleshooting steps:
1. Fully Charge and Reset Your Earbuds
2. Test with Downloaded Media: Check the performance by listening to downloaded music or videos to avoid potential streaming issues.
3. Try a Different Device and Environment: Test the earbuds with another Bluetooth device in a different location to see if the issue persists.

We do not sell earbuds separately, so you will need to purchase an entire set instead.

Update the fireware on the QCY App, Before updating:
1. Ensure your earbuds have at least 20% battery.
2. Make sure both earbuds are connected to the QCY app.
3. Don’t use the earbuds during the update.
4. Keep the earbuds in the charging case with the lid open.

We offer various ear tip sizes to ensure a good fit. To find the best fit:
1. Make sure you’re wearing the correct earbuds (check the L/R logo).
2. さまざまなサイズのイヤーチップを試してみてください。.
3. イヤホンを少しひねって、最もしっかりと固定され、かつ快適な位置を見つけてください。.

1. イヤホンのバッテリーが過放電にならないよう、定期的に使用してください。少なくとも月に1回は使用するようにしましょう。.
2. イヤホンは使用するたびに充電し、20%を下回ってから充電するのを待たないでください。.
3. 少なくとも月に1回はケースを開けて、すべての機能が正常に動作するかを確認し、毎月ケースを充電してください。.
4. イヤホン本体とケースの両方の充電ピンを定期的に掃除してください。.
5. イヤーチップを清潔に保ち、金属メッシュを消毒用アルコールで拭いてください。.
6. If they get wet, use a hairdryer on the 'cool' setting to dry them.

Regular cleaning and maintenance after daily use are essential for extending the lifespan of your earphones. Neglecting this can lead to reduced performance and longevity.
1. 接点ピンの清掃：
- Ensure the charging case is unplugged from any power source.
- Use a cotton swab or a soft cloth moistened with rubbing alcohol or an alcohol wipe to gently clean the contact pins on both the earbuds and the charging case.
2. イヤフォンのフィルターの掃除：
- First, remove the ear tips from the earbuds.
- Use a cotton swab dipped in rubbing alcohol to carefully clean the filters.

Try follow these troubleshooting steps:
1. Clean the Ear Tips: The sound may be muffled if the sound hole is blocked by debris. Use a Q-tip with a small amount of rubbing alcohol to gently clean the metal mesh filter under the rubber ear tips.
2. Re-pair Your Earbuds: Clear the pairing records on your phone, then re-pair the earbuds to your device.

We recommend trying the following steps:
- Wear both earbuds together rather than using just one. If you only use one earbud, ensure the other one is in the charging case.
- Try using different sizes of ear tips to ensure a secure fit and better sound clarity. Make sure the earbuds are positioned correctly to form a tight seal.
- Verify that the audio output device on your phone is set to "T13 ANC 2"
- If you're making the call through an app, try making a direct call using your phone's regular calling feature to check if the issue persists.
- Test your earbuds with a different Bluetooth device in a different environment to see if the problem improves.

To resolve this issue, try the following steps:
1. Re-pair the earbuds: Unpair the earbuds from your Bluetooth device and then pair them again.
2. Charge the earbuds: Ensure the charging case has enough power. Place the earbuds in the case, close the lid, and wait a few seconds to restart your earbuds
3. Restart your device: Try restarting your smartphone or computer.
Reset the earbuds: Follow the instructions in the manual to reset your earbuds.
4. Re-initialize and pair again: If the problem continues, initialize the earbuds and re-pair them with your device.
5. Check for Chat Mode: If you're using a voice chat app, music playback may pause when Chat Mode is activated. Exit Chat Mode to resume audio playback.

はい、充電ケースからイヤホンを片方だけ取り出せば使えます。.

If you are using two earbuds, you can put either one of the earbuds back into the charging case and continue using the other one on its own.

You can try the following troubleshooting steps:
- Adjust the ear tips: Try using different sizes of ear tips and ensure the earbuds are positioned correctly to create a tight seal. This can improve both sound quality and noise cancellation.
- Check the audio source: Test different types of music and make sure the audio source is clear and free of distortion or noise.
- Customize the EQ settings: Use the QCY app to try different EQ modes or customize the sound profile to suit your preferences.