Product Overview
The HAYLOU QCY T10 Bluetooth Wireless In-Ear Earphones are designed for a high-quality audio experience. They offer up to 21 hours of battery life and crystal-clear HD audio quality with 4 microphones.
Package Contents
- HAYLOU QCY T10 Earphones (Left and Right)
- Charging Case
- USB Charging Cable
- User Manual (this document)
- Ear Tips (various sizes)

Image: HAYLOU QCY T10 earphones and their charging case. The earphones are white, with a stem design, and the charging case is a compact white rectangular shape with rounded corners.
Setup
1. Initial Charging
Before first use, fully charge the earphones and the charging case. Connect the charging case to a USB power source using the provided USB cable. The indicator lights on the case will show the charging status.

Image: HAYLOU QCY T10 earphones placed inside their open charging case, showing the charging contacts and indicator lights.
2. Pairing with a Device
- Open the charging case. The earphones will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for "HAYLOU QCY T10" in the list of available Bluetooth devices and select it to connect.
- Once connected, a voice prompt will confirm successful pairing.
Note: If pairing fails, place the earphones back into the case, close the lid, and then reopen it to re-enter pairing mode. Ensure your device's Bluetooth is on and within range.
Operating Instructions
Touch Controls
The HAYLOU QCY T10 earphones feature touch-sensitive controls on each earbud for easy operation.
| Action | Left Earbud | Right Earbud |
|---|---|---|
| Play/Pause | Single tap | Single tap |
| Next Track | Double tap | Double tap |
| Previous Track | Triple tap | Triple tap |
| Answer/End Call | Single tap | Single tap |
| Reject Call | Press and hold for 2s | Press and hold for 2s |
| Activate Voice Assistant | Press and hold for 2s | Press and hold for 2s |
Wearing the Earphones
Gently insert the earphones into your ear canal and rotate them slightly to find a comfortable and secure fit. Adjust the ear tips if necessary to ensure optimal sound quality and noise isolation.

Image: A single HAYLOU QCY T10 earphone shown from a side angle, highlighting its ergonomic design and ear tip.
Maintenance
Cleaning
- Regularly clean the ear tips and the mesh grilles of the earphones with a soft, dry, lint-free cloth.
- Do not use harsh chemicals or abrasive materials.
- Ensure no moisture enters the earphone openings.
Storage
When not in use, always store the earphones in their charging case to protect them from dust, damage, and to keep them charged.
Battery Care
- Avoid exposing the earphones and charging case to extreme temperatures.
- Charge the device regularly, even if not used for extended periods, to maintain battery health.
Troubleshooting
Earphones not pairing or connecting
- Ensure both earphones are fully charged.
- Place earphones back into the charging case, close the lid, wait a few seconds, then reopen.
- Turn off and on Bluetooth on your device.
- Delete "HAYLOU QCY T10" from your device's Bluetooth list and attempt to pair again.
- Try pairing with a different device to rule out device-specific issues.
Only one earphone working
- Ensure both earphones are charged.
- Place both earphones back into the charging case, close the lid, and then reopen. This often re-syncs them.
- Perform a factory reset (refer to the full manual or manufacturer's website for specific instructions).
Poor sound quality or disconnections
- Ensure the earphones are within the Bluetooth range of your device (typically 10 meters/33 feet).
- Avoid obstacles between the earphones and your device.
- Check for interference from other wireless devices.
- Clean the ear tips and earphone grilles to ensure no blockages.
Specifications
| Feature | Detail |
|---|---|
| Brand | HAYLOU |
| Model Name | T10 |
| Manufacturer | QCY |
| Connectivity Technology | Wireless, Bluetooth |
| Form Factor | In-Ear |
| Color | White |
| Included Components | Wireless Charging Case |
| Features | Microphone Included |
| Material | Plastic |
| Item Weight | 50 Grams |
| Battery Life | Up to 21 hours (with charging case) |
| Microphones | 4 microphones for HD audio quality |
Warranty & Support
Warranty Information
This product comes with a 2-year manufacturer's warranty. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use.
The warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Customer Support
For technical assistance, warranty claims, or further inquiries, please contact HAYLOU customer support. Refer to the product packaging or the official HAYLOU website for the most up-to-date contact information.
You may also find additional resources and FAQs on the official QCY website, as QCY is the manufacturer.