Introduction
The Earbay Wireless Headset CPJ-BT881CD-HJ-2026 is designed for clear communication and comfort in various environments. Featuring Bluetooth 5.3 for stable connectivity, a noise-canceling microphone for crystal-clear calls, and a long-lasting 45-hour battery, this headset is suitable for office, home, and on-the-go use. It includes a USB dongle and a charging base for versatile charging and connection options.
What's in the Box
Verify that all items are present in your package:
- Bluetooth Headset
- Type-C Cable
- Charging Base
- USB Audio Dongle
- User Manual

Image: Package contents of the Earbay Wireless Headset.
Product Overview
Headset Components and Controls
Familiarize yourself with the headset's main components and control buttons.
Video: Overview of Earbay Headset features, including noise-canceling microphone and battery life, with a detailed look at control buttons and ports.
- Microphone Mute Button: Located on the microphone arm for quick muting.
- Volume Controls: Buttons for increasing or decreasing audio volume.
- Multi-function Button: For play/pause, answer/reject calls, and activating voice assistant.
- Power Switch: Slide to turn the headset on or off.
- Type-C Charge Port: For direct charging.
- Flexible Boom Mic: Rotates up to 270 degrees for optimal positioning.
- Circle Indicator Light: Displays charging status (Red for charging, Blue for fully charged).
Comfort and Design
The headset is designed for extended wear with adjustable features.

Image: Comfort features of the Earbay Wireless Headset.
- Adjustable Headband: Ensures a snug and comfortable fit for various head sizes.
- Comfortable Ear Cushions: Soft, skin-friendly ear pads for prolonged use.
- 270° Rotatable Mic: Allows wearing on either the left or right ear.
- Lightweight Design: Minimizes pressure during long calls or meetings.
Setup
Charging the Headset
Before first use, fully charge the headset. The headset offers two charging methods:
- Using the Charging Base: Place the headset on the charging base. Ensure the base is connected to a power source via the Type-C cable. The indicator light on the headset will show red while charging and turn blue when fully charged.
- Direct Type-C Cable Connection: Connect the Type-C cable directly to the headset's charging port and a power source. The indicator light will behave as described above.
A 30-minute fast charge provides approximately 8 hours of playtime. A full charge provides up to 45 hours of talk time and 200 hours of standby time.

Image: Headset on charging base, illustrating battery life and charging options.
Connecting to Devices
The Earbay headset supports both Bluetooth 5.3 direct connection and USB dongle connection for wide compatibility.

Image: Visual guide for connecting the headset.
A. USB Dongle Connection (for PC/Laptop)
- Insert Dongle: Plug the USB Audio Dongle into an available USB port on your PC or laptop.
- Power On Headset: Slide the power switch on the headset to the "ON" position.
- Pairing: The LED indicator on the dongle will flash blue, indicating it's searching for the headset. The headset will automatically pair with the dongle.
- Paired: Once connected, the LED indicator on the dongle will turn solid blue.
- System Settings: Go to your computer's Sound Settings.
- Select Device: Set "BT-88 Dongle" as both the input (microphone) and output (speaker) device.
- Conference Software Settings: For applications like Zoom, Teams, or Skype, ensure "BT-88 Dongle" is selected as the microphone and speaker within the application's audio settings.

Image: Headset connected to devices via USB dongle.
B. Bluetooth Connection (for Phone/Tablet/Laptop)
- Power On Headset: Slide the power switch on the headset to the "ON" position. The headset will enter pairing mode, indicated by a flashing blue light.
- Activate Bluetooth: On your device (phone, tablet, laptop), go to Bluetooth settings and turn Bluetooth on.
- Search for Devices: Your device will scan for available Bluetooth devices.
- Select Headset: Locate and select "BT-88" from the list of available devices to pair.
- Paired: Once connected, the headset's indicator light will turn solid blue.
- Dual Connectivity: The headset supports simultaneous pairing with two devices. To connect a second device, repeat steps 1-4. The headset will automatically switch between devices for calls.

Image: Headset demonstrating Bluetooth connectivity with multiple devices.
Operating Instructions
Basic Functions
- Power On/Off: Slide the power switch to the "ON" or "OFF" position.
- Volume Adjustment: Use the Volume + and Volume - buttons on the headset to adjust audio levels.
- Play/Pause: Press the Multi-function button once to play or pause audio.
- Answer/End Call: Press the Multi-function button once to answer an incoming call or end an active call.
- Reject Call: Press and hold the Multi-function button for 2 seconds to reject an incoming call.
- Activate Voice Assistant (Siri/Google Assistant): Double-press the Multi-function button.
Microphone Mute Function
The headset features a dedicated mute button for privacy during calls or meetings.

Image: Headset mute button and compatibility with conferencing apps.
- Mute/Unmute: Press the dedicated mute button on the microphone arm once to mute or unmute your microphone.
- Mute Indicator: A red light on the microphone arm indicates that the microphone is muted.
Noise Canceling Microphone
The integrated noise-canceling microphone effectively reduces ambient background noise, ensuring your voice is heard clearly.

Image: Demonstration of the noise-canceling microphone's effectiveness.
Position the microphone approximately 1-2 inches from your mouth for optimal voice pickup and noise reduction.
Maintenance
Proper care and maintenance will extend the lifespan of your Earbay Wireless Headset.
- Cleaning: Use a soft, dry cloth to clean the headset and charging base. Do not use abrasive cleaners or solvents.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Moisture: The headset is not water-resistant. Avoid exposure to water or excessive humidity.
- Handle with Care: Avoid dropping the headset or subjecting it to strong impacts.
Troubleshooting
If you encounter issues with your headset, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset does not power on. | Low battery. | Charge the headset fully using the Type-C cable or charging base. |
| Cannot connect via Bluetooth. | Headset not in pairing mode; Bluetooth off on device; device too far. | Ensure headset is on and in pairing mode (flashing blue light). Turn on Bluetooth on your device and select "BT-88". Move closer to the device. |
| No sound or poor audio quality. | Incorrect audio output selected; volume too low; interference. | Check your device's sound settings and ensure "BT-88" or "BT-88 Dongle" is selected as the output. Increase volume. Move away from other wireless devices. |
| Microphone not working or poor quality. | Microphone muted; incorrect input selected; microphone positioned incorrectly. | Press the mute button to unmute (red light off). Check device/app sound settings for "BT-88" or "BT-88 Dongle" as input. Adjust microphone closer to your mouth. |
| Headset disconnects frequently. | Out of range; low battery; interference. | Stay within 10 meters (33 feet) of your connected device. Ensure headset is charged. Reduce interference from other wireless devices. |
Video: Detailed demonstration of the Earbay Wireless Headset, including setup and usage tips that may help resolve common issues.
Specifications
| Feature | Detail |
|---|---|
| Brand | Earbay |
| Model Number | CPJ-BT881CD-HJ-2026 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 meters (approximately 33 feet) |
| Battery Life (Talk Time) | Up to 45 hours |
| Standby Time | Up to 200 hours |
| Fast Charging | 30 minutes for 8 hours playtime |
| Ear Placement | On Ear |
| Noise Control | Passive Noise Cancellation (Microphone) |
| Microphone | Noise-canceling, 270° rotatable boom mic |
| Compatible Devices | Cellphones, Desktops, Laptops, Tablets, Telephones |
| Material | ABS, Faux Leather, Stainless Steel |
| Water Resistance Level | Not Water Resistant |
Warranty & Support
Warranty: This product comes with a 1-year quality warranty from the date of purchase. Please retain your proof of purchase for warranty claims.
Customer Support: For any questions, technical assistance, or warranty inquiries, please contact Earbay customer service. Our professional team is available to provide timely solutions for all your usage concerns.
Contact information may be found on the product packaging or the official Earbay website.

