1. Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your Earbay Wireless Headset, model BT786CD. Please read this manual thoroughly before using the product to ensure proper function and longevity. This headset is designed for clear communication in various environments, including remote work, office settings, and online meetings.
2. Package Contents
Verify that all items are present in your package:
- Earbay Wireless Headset (BT786CD)
- USB Dongle
- Charging Dock
- Type-C Charge Cable
- User Manual (this document)

Image: The Earbay Wireless Headset, charging dock, and USB dongle, representing the main components included in the package.
3. Product Overview
Familiarize yourself with the headset's components and controls.
3.1 Headset Features
- Adjustable Headband: For comfortable fit.
- Soft Leatherette Ear Cushions: Designed for extended wear.
- Rotatable Boom Microphone: Can be adjusted up to 270° for optimal voice positioning.
- Control Buttons: For power, volume, and mic mute functions.

Image: A person wearing the Earbay Wireless Headset, demonstrating the adjustable microphone boom.
3.2 Charging Dock
The charging dock provides a convenient way to charge and store your headset.
- Charging Pins: Align with headset for charging.
- Type-C Port: For connecting the charging cable.
- LED Indicator: Shows charging status.
4. Setup and Connection
4.1 Charging the Headset
Before first use, fully charge the headset.
- Connect the Type-C charge cable to the charging dock and a power source (e.g., USB wall adapter, computer USB port).
- Place the headset onto the charging dock, ensuring the charging pins align.
- The LED indicator on the dock will show charging status. A full charge takes approximately 2 hours.
Alternatively, you can connect the Type-C cable directly to the headset's charging port.


Image: Left: Headset charging on the dedicated dock. Right: Headset charging directly via a Type-C cable.
4.2 Connecting via Bluetooth
The headset uses Bluetooth 5.0 for wireless connection.
- Ensure the headset is powered on and in pairing mode (LED indicator will flash).
- On your device (computer, cell phone, tablet), enable Bluetooth and search for available devices.
- Select "BT-68" from the list of found devices to pair.
- Once paired, the LED indicator on the headset will show a solid light.
4.3 Connecting via USB Dongle
For devices without Bluetooth or for a more stable connection, use the included USB dongle.
- Plug the USB dongle into an available USB port on your computer.
- The dongle's LED light will flash, indicating it is searching for the headset.
- Power on the headset. It will automatically pair with the dongle.
- Once paired, the dongle's LED light will turn solid blue.

Image: A visual guide illustrating the steps for connecting the headset to a PC via Bluetooth or USB dongle, including sound settings.
4.4 PC Audio Settings
After connecting, ensure your computer's audio settings are configured correctly.
- For Bluetooth Connection: Go to Sound Settings and set "BT-68" as both the Input and Output Device.
- For USB Dongle Connection: Go to Sound Settings and set "BT786CD-DONGLE" as both the Input and Output Device.
Note: If the headset fails to connect via Bluetooth, update your computer's Bluetooth driver or use a Bluetooth adapter.
4.5 Application Settings
For optimal performance in communication applications (e.g., Zoom, Skype, Microsoft Teams), configure the audio settings within the application.
- In the application's audio settings, select "BT-68 Handsfree AG Audio" for both microphone and speaker.

Image: The Earbay Wireless Headset shown in context with a laptop displaying various video conferencing and communication applications, indicating broad compatibility.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the Power button until the LED indicator lights up.
- Power Off: Press and hold the Power button until the LED indicator turns off.
5.2 Call Management
- Answer/End Call: Press the Multi-function button once.
- Reject Call: Press and hold the Multi-function button for 2 seconds.
- Mic Mute: Press the Mute button on the microphone boom. The mute function works during an active call and protects your privacy.

Image: A close-up view of the headset's microphone boom, highlighting the USB dongle, which can be used for connection.
5.3 Volume Control
- Increase Volume: Press the Volume Up button.
- Decrease Volume: Press the Volume Down button.
5.4 Microphone Adjustment
The boom microphone can be rotated up to 270 degrees. Adjust it to a position close to your mouth for optimal voice capture and noise cancellation.
6. Maintenance
To ensure the longevity and performance of your headset:
- Clean the headset regularly with a soft, dry cloth.
- Avoid exposing the headset to extreme temperatures, humidity, or direct sunlight.
- Store the headset in its charging dock or a protective case when not in use.
- Do not attempt to disassemble or repair the headset yourself. Contact support for assistance.

Image: The Earbay Wireless Headset folded flat, demonstrating its portability and ease of storage.
7. Troubleshooting
If you encounter issues with your headset, refer to the following common solutions:
- No Power: Ensure the headset is fully charged.
- Cannot Pair: Make sure the headset is in pairing mode. For Bluetooth, ensure your device's Bluetooth is enabled. For USB dongle, ensure it's properly inserted. Try restarting both the headset and the connecting device.
- No Sound/Poor Sound Quality: Check your device's audio output settings to ensure the headset is selected. Adjust volume levels on both the headset and the device. Ensure the headset is within the wireless range (up to 49 feet/15m).
- Microphone Not Working: Check your device's audio input settings to ensure the headset microphone is selected. Ensure the microphone is not muted.
- Intermittent Connection: Move closer to your connected device. Avoid sources of strong electromagnetic interference.
8. Specifications
| Model Name | BT786CD |
| Connectivity Technology | Wireless (Bluetooth 5.0) |
| Wireless Range | Up to 49 feet (15 meters) |
| Noise Control | Active Noise Cancellation (Mic) |
| Audio Driver Size | 40 mm |
| Battery Life (Talk Time) | Up to 26 hours |
| Standby Time | Up to 210 hours |
| Charging Time | Approximately 2 hours |
| Compatible Devices | Laptops, Desktops, Cell Phones, Tablets |
| Included Components | Headset, USB Dongle, Charging Dock, Type-C Charge Cable |
| Material | Faux Leather, Leather, Metal, Plastic |
| Item Weight | 0.48 Kilograms (1.06 pounds) |
9. Warranty and Support
Your Earbay Wireless Headset BT786CD comes with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product meets its specified performance.
For any questions, technical assistance, or warranty claims, please contact our customer support. We offer 24-hour support to assist you.
Please refer to your purchase documentation for specific contact details or visit the official Earbay support website.