Plantronics 211855-99
Plantronics BackBeat FIT 3100
True Wireless Sport Earbuds User Manual
Introduction
The Plantronics BackBeat FIT 3100 are true wireless sport earbuds designed for outdoor activities. They feature Always Aware eartips, allowing you to hear your surroundings while enjoying audio. These earbuds offer a comfortable and secure fit, extended battery life, and a durable sweatproof and waterproof design.
Key features include:
- Always Aware Eartips: Designed to let in ambient sound for safer training.
- Comfortable and Secure Fit: Soft, flexible earloops ensure stability during rigorous workouts.
- Long-lasting Battery: Up to 5 hours of listening time, with an additional 10 hours from the charging case.
- Durable Design: IP57 rated sweatproof and waterproof for protection against elements.
- Customizable Functions: Personalize earbud controls via the BackBeat app.
What's in the Box
Your Plantronics BackBeat FIT 3100 package includes the following items:
- BackBeat FIT 3100 Headset (Left and Right Earbuds)
- Portable Charging Case
- USB Charging Cable
- Quick Start Guide

Image: The BackBeat FIT 3100 earbuds securely placed within their compact charging case.
Setup
Charging Your Earbuds
Before first use, fully charge your earbuds and the charging case. The earbuds provide up to 5 hours of listening time, and the charging case offers an additional 10 hours of power.
- Place the earbuds into the charging case.
- Connect the USB charging cable to the case and a power source.
- The LED indicators on the case will show charging status.

Image: The charging case with earbuds, illustrating the total battery life provided by the earbuds and the case combined.
Pairing with a Device
To connect your BackBeat FIT 3100 earbuds to your smartphone or other Bluetooth-enabled device:
- Ensure the earbuds are charged and out of the charging case.
- On your device, go to Bluetooth settings and turn Bluetooth on.
- Select "PLT BBFIT3100" from the list of available devices.
- Once connected, you will hear a voice prompt confirming the pairing.
Operating Instructions
Always Aware Eartips
The unique design of the Always Aware eartips allows for ambient sound to pass through, ensuring you remain aware of your surroundings during outdoor activities. This feature enhances safety by not fully blocking the ear canal.

Image: A woman running with the earbuds, demonstrating the 'Hear Your Surroundings' benefit of the Always Aware eartips.
Secure Fit for Active Use
The BackBeat FIT 3100 earbuds are designed with flexible, secure-fit earloops that provide comfort and stability, ensuring they stay in place during your most intense workouts.

Image: An athlete demonstrating the secure fit and maximum stability provided by the earbud design during dynamic movement.
Sweatproof and Waterproof Design
With an IP57 rating, these earbuds are built to withstand sweat, rain, and spills, making them ideal for any workout environment.

Image: The earbuds shown with water droplets, visually representing their sweatproof and waterproof capabilities.
Customizable Earbud Functions (My Tap)
Utilize the BackBeat app to personalize your earbuds with the new My Tap feature. This allows you to assign specific actions to single or double taps on your earbuds, such as volume control, Siri/voice assistant activation, headset status, timer, or telling the time.

Image: A smartphone screen illustrating the 'Customizable Earbud Functions' available through the BackBeat app, including the My Tap feature.
Maintenance
To ensure the longevity and optimal performance of your BackBeat FIT 3100 earbuds, follow these maintenance guidelines:
- Cleaning: Regularly wipe the earbuds and charging case with a soft, dry, lint-free cloth. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Drying: After exposure to sweat or water, ensure the earbuds are completely dry before placing them back into the charging case to prevent damage to the charging contacts.
- Storage: When not in use, store the earbuds in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.
- Charging Port: Keep the USB charging port free of dust and debris.
Troubleshooting
If you encounter issues with your BackBeat FIT 3100 earbuds, try the following solutions:
| Problem | Possible Solution |
|---|---|
| Earbuds not turning on | Ensure earbuds are charged. Place them in the charging case for a few minutes, then remove. |
| Cannot pair with device | Make sure Bluetooth is enabled on your device. Turn earbuds off and on. Forget the device in your phone's Bluetooth settings and re-pair. Ensure earbuds are in pairing mode. |
| No sound or poor sound quality | Check device volume. Ensure earbuds are properly seated in your ears. Clean any debris from the eartips. Try moving closer to your device to avoid interference. |
| Charging issues | Verify the USB cable is securely connected. Check the power source. Clean the charging contacts on both the earbuds and the case. |
| Controls not responding | Restart the earbuds. Ensure the BackBeat app is updated if using custom controls. |
If issues persist, refer to the official Plantronics support resources or contact customer service.
Specifications
Technical specifications for the Plantronics BackBeat FIT 3100 True Wireless Earbuds:
| Feature | Detail |
|---|---|
| Model Name | BackBeat FIT 3100 |
| Item Model Number | 211855-99 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.0 |
| Ear Placement | In Ear |
| Water Resistance Level | Waterproof (IP57) |
| Battery Life (Earbuds) | Up to 5 hours |
| Battery Life (with Case) | Up to 15 hours (5 + 10 extra from case) |
| Charging Time | Approximately 5 hours for full charge |
| Control Type | Media Control, Touch |
| Item Weight | 0.8 Ounces |
| Product Dimensions | 4.41 x 6.38 x 1.81 inches |
| Material | Plastic |
Warranty and Support
For detailed warranty information and product support, please refer to the official Plantronics website or the documentation included with your product. A digital version of the user guide is available at: User Guide (PDF).
For further assistance, contact Plantronics customer support through their official channels.
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