Introduction
Thank you for choosing the HAOYUYAN T16 Wireless Earbuds. These earbuds are designed to provide a high-quality audio experience with advanced features for sports, workouts, and daily use. This manual will guide you through the setup, operation, and maintenance of your new earbuds.

Image: HAOYUYAN T16 Wireless Earbuds in their charging case.
Getting Started
What's in the Box
- T16 Bluetooth Earbuds
- Charging Case
- User Manual
- S, M, L Eartips
- Type-C Cable
Charging the Earbuds and Case
Before first use, fully charge the earbuds and charging case. Use the provided Type-C cable to connect the charging case to a power source. The external digital LED display on the charging case will indicate the battery level, allowing you to monitor charging status.

Image: The earbuds and charging case highlighting the 80-hour total playback time.

Image: Close-up of the charging case showing the LED digital display for battery levels.
Power On/Off
- Power On: Open the charging case lid. The earbuds will automatically power on.
- Power Off: Place the earbuds back into the charging case and close the lid. They will automatically power off and begin charging.
Bluetooth Pairing
- Ensure the earbuds are charged and inside the charging case with the lid open.
- Activate Bluetooth on your device (smartphone, tablet, laptop, etc.).
- Search for available Bluetooth devices and select "T16" from the list.
- Once connected, you will hear an audio prompt confirming successful pairing.
- For subsequent uses, the earbuds will automatically connect to the last paired device when the case lid is opened.

Image: Graphic illustrating Bluetooth 5.3 technology and one-step pairing with a smartphone.
Wearing the Earbuds
The T16 earbuds feature an over-ear hook design for a secure and comfortable fit, especially during physical activities. They come with three different sizes of ear tips (S, M, L) to ensure optimal comfort and sound isolation.
- Choose the ear tips that best fit your ears.
- Gently place the earbud into your ear canal.
- Adjust the flexible ear hook over your ear to secure the earbud in place.

Image: Diagram showing the ergonomic design, flexible ear hook, and various ear tip sizes for a secure fit during sports.
Operation
Touch Controls
The T16 earbuds feature intuitive touch controls for managing audio playback, calls, and voice assistant functions. Refer to the diagram below for specific actions:

Image: Detailed diagram illustrating the touch control functions on the earbuds.
- Play/Pause: One tap on R/L earbud.
- Next Track: Long press + on R earbud.
- Previous Track: Long press - on L earbud.
- Volume Up: One tap + on R earbud.
- Volume Down: One tap - on L earbud.
- Answer/End Call: One tap on R/L earbud.
- Reject Call: Long press on R/L earbud.
- Voice Assistant: Long press on R/L earbud.
Call Management
The built-in microphone and snug fit design effectively filter out noise during calls, ensuring clear communication. Use the touch controls to manage your calls as described above.
Maintenance
Water Resistance (IPX7)
The HAOYUYAN T16 earbuds are IPX7 waterproof, meaning they can resist water splashes and sweat. This makes them suitable for sports, fitness, workouts, and running. However, they are not designed for swimming or prolonged submersion in water.

Image: Earbuds shown with water splashing, indicating IPX7 waterproof and sweat-resistant features.
Cleaning
To maintain optimal performance and hygiene, regularly clean your earbuds and charging case. Use a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials. Ensure the charging ports are free of dust and debris.
Troubleshooting
- Earbuds not pairing: Ensure both earbuds are charged and in pairing mode. Turn off and on your device's Bluetooth, then try pairing again.
- No sound: Check the volume level on both your device and the earbuds. Ensure the earbuds are properly connected to your device.
- Charging issues: Verify the Type-C cable is securely connected to both the case and the power source. Clean the charging contacts on the earbuds and inside the case.
- Poor call quality: Ensure the microphone is not obstructed. Check your device's network signal.
Specifications
| Feature | Detail |
|---|---|
| Model Name | T16 |
| Brand | HAOYUYAN |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Ear Placement | In Ear with Over Ear Hook |
| Water Resistance Level | IPX7 Water Resistant |
| Battery Life (Earbuds) | Up to 8 hours (single charge) |
| Total Playtime (with case) | Up to 80 hours |
| Charging Port | Type-C |
| Control Type | Touch Control |
| Noise Control Features | Environmental Noise Cancellation (for calls) |
| Included Components | T16 Bluetooth Earbuds, Charging Case, User Manual, S/M/L Eartips, Type-C Cable |
Warranty and Support
For warranty information and customer support, please refer to the contact details provided with your purchase or visit the official HAOYUYAN website. Keep your proof of purchase for any warranty claims.