Poly Voyager 4320 UC Headset - Stereo - USB Type C
- Comfortable binaural headset for long calls
- Supports Bluetooth plus USB-C (via included dongle) connection
- Compatible with your PC, Mac, and mobile phones
- Solid battery life delivers longer hours of usage
- Features adjustable boom mic for easy adjustment
- Acoustic Fence Technology blocks out the sound around you
- SoundGuard Digital offers acoustic hearing protection
- BT700 USB-C Bluetooth dongle makes switching between mobile and computer easy
- Combines comfort and style in a stereo design for business and entertainment
Poly Voyager 4320 UC Headset Description
Fully immerse yourself in your calls all day with the Poly Voyager 4320 Bluetooth Stereo Headset with BT700 USB-C Dongle. If you want to replace your wired headset with a multi-connection stereo headset, consider the Voyager 4320 UC Duo headset from Poly.
This binaural headset is designed for professionals who make calls all day and seek a comfortable headset. It uses Poly Acoustic Fence technology, which creates a virtual audio fence to prevent callers from hearing sounds around you. The headset brings wireless connectivity and quality audio together in one stereo headset. You have just the right headset for work with hands-free comfort while you talk to your customers, either on the move or in the office.
Voyager 4320 is portable and comes with a BT700 USB-C Bluetooth dongle that makes switching between your phone and computer easy. The earphones include call controls, and the microphone boom has a mute button. The on-call indicator alerts coworkers when to focus.
Wireless Freedom
Free yourself from your desk and make calls more comfortably. The Voyager 4320 professional Bluetooth headset allows you to move around freely with a wireless range of up to 50 m (164 ft). It facilitates all-day calls with multi-device connectivity, lasting battery life, and all-day comfort. The Poly Voyager 4320 218478-01 in the Voyager 4300 UC Series provides everything you need to stay productive and connected to all your devices, whether at home or in the office.


Audio Performance
Thanks to its powerful sound properties, the Voyager 4320 USB-C headset is suitable for both quiet and noisy work environments. It delivers high-quality sound combined with Acoustic Fence technology that eliminates background noise. This feature helps reduce distractions, so you and your caller can hear each other. The headset features a simple mute button and a dynamic mute alert to give you full control. It is Zoom & Microsoft Teams certified.
Maintain Device Connectivity
The headset connects directly to your mobile phone via Bluetooth and comes with a USB Type-C dongle you can connect to your PC, Mac, or laptop. The device supports Bluetooth 5.2, allowing you to connect to more than one device at once. Using the USB-C cable, you will be able to charge and use the headset at the same time.

Longer Battery Life
The battery can last up to 24 hours of talk time and almost two days of listening time. Quick charging can give you up to 10 hours of listening time after only 15 minutes of charging.
What's in the Box?
- Plantronics 4320 UC USB Type C Headset
- Bluetooth Adapter
- Cable
- Carry Case
- User Guide
Poly Voyager 4300 UC Headset Specs
General:
- Open/Closed-Back: Closed-Back
- Colour: Black
- LED Indicator: Yes
- Weight: 5.7 oz / 162 g
- Earpiece Swivel: No
- Earpiece Connection / Wearing Style: Headband
- Foldable: Yes
- Active Noise Cancellation: Yes
- Frequency Response: 20 Hz to 20 kHz
- Volume Limiting / Child-Safe: Limited to 102 dB Max
Runtime:
- 18 Hours (Lights On)
- 24 Hours (Lights Off)
- 47 Hours (Music)
- 50 Days (Standby)
- Driver Size: 1.3" / 32 mm
- Active Noise Cancellation: Yes
- Controls/Microphone Location: Microphone: Adjustable Boom
- Mobile App Compatible: Yes: Android & iOS
- App Name: Poly Lens
Microphone:
- Number of Voice Mics: 2
- Microphone Type: MEMS / Electret Condenser
- Noise Cancelling Microphone: Yes
- Frequency Response: 100 Hz to 6.8 kHz
Wireless Connectivity
- Wireless: Bluetooth 5.2: Bluetooth: 5.2
- Supported Audio Codecs: AAC, aptX, aptX HD, SBC
- Bluetooth Profiles: A2DP, AVRCP, HSP, HFP
- Wireless Range: 164' / 50 m
- Multipoint Support: Yes
- Maximum Paired Devices: 8
Battery:
- Battery Chemistry: Lithium-Ion
- Capacity (mAh): 350 mAh
Runtime:
- 18 Hours (Lights On)
- 24 Hours (Lights Off)
- 47 Hours (Music)
- 50 Days (Standby)
- Quick Charging Times: 15 Minutes for 10 Hours
- Recharge Time: 1.6 Hours
- Wireless Charging: No
- Charging Input: USB-C
- Charging Cable Length: 4.9' / 1.5 m
More Information
Delivery Option | 15-20 Working Days |
---|---|
SKU | 218478-01 |
Brand | Poly/Plantronics |
Control Type | Call Control, Volume Control |
Form Factor | On-Ear |
Connection Type | Wireless |
Compatibility | Desk Phones and Mobiles |
Audio Type | Duo/Stereo Headset |
Microphone Type | MEMS |
Wearing Style | Headband |
Condition | New |
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Search FAQs
Questions & Answers
Poly Voyager 4320 UC Headset Description
Fully immerse yourself in your calls all day with the Poly Voyager 4320 Bluetooth Stereo Headset with BT700 USB-C Dongle. If you want to replace your wired headset with a multi-connection stereo headset, consider the Voyager 4320 UC Duo headset from Poly.
This binaural headset is designed for professionals who make calls all day and seek a comfortable headset. It uses Poly Acoustic Fence technology, which creates a virtual audio fence to prevent callers from hearing sounds around you. The headset brings wireless connectivity and quality audio together in one stereo headset. You have just the right headset for work with hands-free comfort while you talk to your customers, either on the move or in the office.
Voyager 4320 is portable and comes with a BT700 USB-C Bluetooth dongle that makes switching between your phone and computer easy. The earphones include call controls, and the microphone boom has a mute button. The on-call indicator alerts coworkers when to focus.
Wireless Freedom
Free yourself from your desk and make calls more comfortably. The Voyager 4320 professional Bluetooth headset allows you to move around freely with a wireless range of up to 50 m (164 ft). It facilitates all-day calls with multi-device connectivity, lasting battery life, and all-day comfort. The Poly Voyager 4320 218478-01 in the Voyager 4300 UC Series provides everything you need to stay productive and connected to all your devices, whether at home or in the office.


Audio Performance
Thanks to its powerful sound properties, the Voyager 4320 USB-C headset is suitable for both quiet and noisy work environments. It delivers high-quality sound combined with Acoustic Fence technology that eliminates background noise. This feature helps reduce distractions, so you and your caller can hear each other. The headset features a simple mute button and a dynamic mute alert to give you full control. It is Zoom & Microsoft Teams certified.
Maintain Device Connectivity
The headset connects directly to your mobile phone via Bluetooth and comes with a USB Type-C dongle you can connect to your PC, Mac, or laptop. The device supports Bluetooth 5.2, allowing you to connect to more than one device at once. Using the USB-C cable, you will be able to charge and use the headset at the same time.

Longer Battery Life
The battery can last up to 24 hours of talk time and almost two days of listening time. Quick charging can give you up to 10 hours of listening time after only 15 minutes of charging.
What's in the Box?
- Plantronics 4320 UC USB Type C Headset
- Bluetooth Adapter
- Cable
- Carry Case
- User Guide
Poly Voyager 4300 UC Headset Specs
General:
- Open/Closed-Back: Closed-Back
- Colour: Black
- LED Indicator: Yes
- Weight: 5.7 oz / 162 g
- Earpiece Swivel: No
- Earpiece Connection / Wearing Style: Headband
- Foldable: Yes
- Active Noise Cancellation: Yes
- Frequency Response: 20 Hz to 20 kHz
- Volume Limiting / Child-Safe: Limited to 102 dB Max
Runtime:
- 18 Hours (Lights On)
- 24 Hours (Lights Off)
- 47 Hours (Music)
- 50 Days (Standby)
- Driver Size: 1.3" / 32 mm
- Active Noise Cancellation: Yes
- Controls/Microphone Location: Microphone: Adjustable Boom
- Mobile App Compatible: Yes: Android & iOS
- App Name: Poly Lens
Microphone:
- Number of Voice Mics: 2
- Microphone Type: MEMS / Electret Condenser
- Noise Cancelling Microphone: Yes
- Frequency Response: 100 Hz to 6.8 kHz
Wireless Connectivity
- Wireless: Bluetooth 5.2: Bluetooth: 5.2
- Supported Audio Codecs: AAC, aptX, aptX HD, SBC
- Bluetooth Profiles: A2DP, AVRCP, HSP, HFP
- Wireless Range: 164' / 50 m
- Multipoint Support: Yes
- Maximum Paired Devices: 8
Battery:
- Battery Chemistry: Lithium-Ion
- Capacity (mAh): 350 mAh
Runtime:
- 18 Hours (Lights On)
- 24 Hours (Lights Off)
- 47 Hours (Music)
- 50 Days (Standby)
- Quick Charging Times: 15 Minutes for 10 Hours
- Recharge Time: 1.6 Hours
- Wireless Charging: No
- Charging Input: USB-C
- Charging Cable Length: 4.9' / 1.5 m
Delivery Option | 15-20 Working Days |
---|---|
SKU | 218478-01 |
Brand | Poly/Plantronics |
Control Type | Call Control, Volume Control |
Form Factor | On-Ear |
Connection Type | Wireless |
Compatibility | Desk Phones and Mobiles |
Audio Type | Duo/Stereo Headset |
Microphone Type | MEMS |
Wearing Style | Headband |
Condition | New |