Tired of being chained to your desk during calls? The HP Poly Voyager 4320 UC USB-C wireless headset lets you roam up to 50 meters (164 feet) while keeping conversations crystal clear. It comes ready to go with the BT700 dongle and a desktop charging stand, so you never run out of power. Perfect for hybrid workers who juggle home offices, open-plan spaces, and on-the-go meetings—delivering up to 24 hours of talk time and noise-cancelling audio that cuts through background chatter.

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The HP Poly Voyager 4320 UC USB-C (77Z31AA) solves that with practical features built for real-world use. The included BT700 adapter gives you reliable Bluetooth connectivity right out of the box—no extra dongles to hunt down. Pair it once and it remembers up to eight devices, so switching between laptop, phone, and tablet is effortless.

The charging stand is a game-changer for daily workflows: drop the headset on it between calls and it’s ready whenever you are. Need to keep going during long meetings? Plug in via USB-C for wired audio mode and conserve battery. Acoustic Fence technology uses two microphones to block out keyboard clicks, barking dogs, or office chatter, so the person on the other end hears only you.

Key Features

Freedom to roam — Walk-and-talk up to 50m/164ft with the included BT700 USB-C Bluetooth adapter—ideal for home offices or large workspaces without losing connection.
All-day power — Up to 24 hours of wireless talk time (online indicator off) means you finish every meeting without hunting for a charger.
Smart charging stand — Keeps your headset topped off between calls and lets you use corded USB mode to extend battery life even further.
Noise-cancelling clarity — Acoustic Fence technology with two microphones blocks background noise so your voice comes through loud and clear on every platform.
Instant on-call alerts — Flashing ear-cup indicator tells coworkers you’re busy—great for open offices or shared home spaces.
Easy fleet management — Poly Lens cloud software lets IT teams update, monitor, and troubleshoot remotely, saving hours of support time.
Universal compatibility — Works seamlessly with Windows, macOS, Android, iOS, Zoom, Google Meet, and more—no extra drivers needed.

Technical Specifications

Category	Details
Headset Type	On-ear (stereo) wireless
Connectivity	Bluetooth 5.1, USB Type-C BT700 adapter
Wireless Range	Up to 50 m / 164 ft (with BT700)
Talk Time	Up to 24 hrs (indicator off); 18 hrs (on)
Music Time	Up to 47 hours
Standby Time	Up to 50 days
Charge Time	<1.6 hours
Microphones	2 noise-cancelling with Acoustic Fence
Speaker Size	32 mm
Audio Bandwidth	20 Hz – 20 kHz (speakers); 100 Hz – 6.8 kHz (mic)
Certifications	Microsoft Teams Open Office, Zoom, Google Meet
Controls	Power, answer/end, mute, volume, pairing
Voice Alerts	Battery, mute, connection, talk time
Weight	0.158 kg (headset)
Color	Black
What’s in the Box	Headset, BT700 adapter, charging stand, USB-C cable, travel pouch, quick start guide
Warranty	2-year limited

Poly SKU: 218479-01
HP SKU: 77Z31AA