1. Introduction
The Plantronics Voyager 4210 UC Series Bluetooth Wireless Headset is designed for professionals requiring superior audio quality and comfort for extended use. This headset offers flexible connectivity, noise-canceling features, and intuitive controls to enhance your communication experience in various environments.

Image: Plantronics Voyager 4210 UC Series Bluetooth Wireless Headset, Black. The headset features an over-ear design with a flexible microphone boom.
2. What's in the Box
Your Plantronics Voyager 4210 UC Series headset package typically includes the following items:
- Plantronics Voyager 4210 UC Series Bluetooth Wireless Headset
- USB-A Bluetooth Adapter
- USB Charging Cable
- Carrying Case
- Quick Start Guide
Note: A charging cradle is not included with this model.
3. Product Features
- Flexible Microphone Boom: Ergonomic design for long-wearing comfort and optimal voice pickup.
- Extended Wireless Range: Roam freely up to 98 ft/30 m from a Class 1 Bluetooth device.
- Long Battery Life: Up to 12 hours of talk time and 15 hours of listening time.
- Portable Design: Features folding speakers and an included carrying case for easy transport.
- Dynamic Mute Alert: Notifies users if they attempt to speak while on mute.
- Active Noise Cancellation: Reduces unwanted background noise for clearer communication.
4. Setup and Connection
4.1 Power On/Off
- To Power On: Slide the Power switch to the 'On' position. The LED indicator will illuminate.
- To Power Off: Slide the Power switch to the 'Off' position. The LED indicator will turn off.
4.2 Bluetooth Pairing
To pair your headset with a mobile device or computer:
- With the headset powered off, press and hold the Power switch towards the Bluetooth icon until the LED flashes red and blue. This indicates pairing mode.
- On your mobile device or computer, go to Bluetooth settings and select "Plantronics BT4210" (or similar) from the list of available devices.
- Once paired, the headset LED will stop flashing and you will hear a voice prompt confirming the connection.
For PC/Mac connection, plug the included USB-A Bluetooth adapter into an available USB port. The headset and adapter are typically pre-paired. If not, follow the pairing instructions above.
5. Wearing the Headset
For optimal comfort and audio performance:
- Adjust the Headband: Extend or retract the headband until it fits comfortably over your head, with the ear cushions fully covering your ears.
- Position the Microphone: Gently bend the flexible microphone boom so that the microphone is approximately two finger-widths from the corner of your mouth. The microphone can be worn on either the left or right side; simply rotate the boom arm up and over to the other side to switch.
6. Operating Instructions
6.1 Call Controls
- Answer/End Call: Press the Call Control button once.
- Mute/Unmute: Press the Mute button on the microphone boom. The Dynamic Mute Alert will notify you if you speak while muted.
- Volume Up/Down: Use the Volume (+) or (-) buttons on the earcup.
6.2 Music Controls
- Play/Pause: Press the Play/Pause button on the earcup.
- Next Track: Double-press the Play/Pause button.
- Previous Track: Triple-press the Play/Pause button.
6.3 Busylight
The integrated busylight on the earcup automatically illuminates when you are on a call, signaling to others that you are busy. This helps to minimize interruptions during important conversations.
7. Maintenance
To ensure the longevity and optimal performance of your headset:
- Cleaning: Wipe the headset with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Ear Cushions: Periodically inspect ear cushions for wear and tear. Replacement ear cushions can be purchased separately if needed.
- Storage: When not in use, store the headset in its included carrying case to protect it from dust and damage.
8. Troubleshooting
If you experience issues with your headset, try the following:
- No Audio/Cannot Hear: Ensure the headset is powered on and properly paired. Check the volume levels on both the headset and your connected device.
- Microphone Not Working: Verify the microphone boom is positioned correctly and not muted. Check microphone settings on your connected device.
- Cannot Pair: Ensure the headset is in pairing mode (LED flashing red/blue). Turn off and on Bluetooth on your device, then try pairing again.
- Poor Connection/Range: Ensure there are no obstructions between the headset and your device. Move closer to your device.
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | 211317-101 |
| Brand | Plantronics |
| Connectivity Technology | Bluetooth |
| Bluetooth Version | 4.1 |
| Bluetooth Range | Up to 98 Feet (30 meters) |
| Talk Time | Up to 12 Hours |
| Listening Time | Up to 15 Hours |
| Battery Charge Time | 1.5 Hours |
| Noise Control | Active Noise Cancellation |
| Microphone | Flexible Boom Microphone |
| Ear Placement | Over Ear |
| Item Weight | 110 Grams |
| Product Dimensions | 15.24 x 15.24 x 5.08 cm |
10. Warranty and Support
This Plantronics Voyager 4210 UC Series headset comes with a 1-Year Limited Warranty from the manufacturer.
For technical support, warranty claims, or additional product information, please visit the official Plantronics (now Poly) website or contact their customer service directly. Manufacturer contact information: BROOKLYN, NY, 11208 US.





