Description
Tired of being chained to your desk? The HP Poly Voyager 4320-M UC USB-C delivers true freedom with portable, high-quality audio designed for Microsoft Teams and everyday hybrid work. This stereo Bluetooth headset gives you up to 24 hours of talk time, a massive 50-meter wireless range, and smart noise-blocking features so every call sounds professional — whether you’re at home, in the office, or walking between meetings. It even comes with its own desktop charging stand so you’re never hunting for a cable.
The Telecom Spot Expert Review
If your team splits time between home, office, and everywhere in between, the Voyager 4320-M UC USB-C is built exactly for that reality. Microsoft Teams certification means the dedicated button launches meetings instantly and shows online status clearly — no more guessing if you’re muted. Acoustic Fence technology uses two microphones to keep background noise out of the call while letting your voice come through loud and clear.
Battery life is a game-changer: up to 24 hours of talk time (or 18 hours with the online indicator on) plus a 15-minute fast charge that gives you 10 more hours. The included charging stand keeps the headset neatly stored and topped off, and you can even switch to corded USB-C mode if you need unlimited time. Comfort is excellent too — the adjustable headband and memory-foam ear cushions feel great even after long calls.
Key Features
- Walk-and-talk freedom — Up to 50 m / 164 ft Bluetooth range with the included BT700 dongle lets you move around the office or home without dropping calls.
- All-day power — Up to 24 hours talk time plus fast charge (15 min = 10 hours) and included desktop charging stand keep you ready whenever the next meeting starts.
- Crystal-clear Microsoft Teams calls — Dedicated Teams button, online indicator, and dual-mic Acoustic Fence technology block background noise so your voice stays front and center.
- Noise protection for your ears — Poly SoundGuard DIGITAL safeguards hearing from sudden loud sounds.
- Multi-device flexibility — Pair with up to 8 devices; connect to PC via dongle and mobile via Bluetooth at the same time.
- Comfort that lasts — Binaural on-ear design with adjustable padded headband and improved memory-foam ear cushions for all-day wear.
- Corded backup — Switch to USB-C wired mode for unlimited talk time when you need it.
Technical Specifications
| Category | Details |
|---|---|
| Headset Type | Binaural (stereo) on-ear Bluetooth headset |
| Bluetooth Version | 5.1 |
| Wireless Range | Up to 50 m / 164 ft with included BT700 dongle |
| Talk Time | Up to 24 hours (online indicator off); up to 18 hours (online indicator on) |
| Music Time | Up to 47 hours |
| Standby Time | Up to 50 days |
| Battery | Rechargeable Li-ion, 350 mAh; charge time <1.6 hours |
| Microphones | 2 analog ECM + 2 digital MEMS; bandwidth 100 Hz – 6.8 kHz |
| Speakers | Bandwidth 20 Hz – 20 kHz; 3.2 mm size |
| Audio Features | Acoustic Fence technology, SoundGuard DIGITAL, Dynamic EQ |
| Controls | Power, answer/end, mute (pinch-to-mute with alert), volume ±, pairing |
| Certifications | Microsoft Teams, Zoom |
| Connectivity | Bluetooth (mobile), USB-C (PC wired or charging), BT700 dongle |
| Weight | 0.35 lb (headset) |
| Dimensions | 6.1 x 2.6 x 7.2 in |
| Included in Box | Voyager 4320-M headset, BT700 dongle, desktop charging stand, USB-C charging cable, USB Type-A adaptor, travel pouch, quick start guide |
| Warranty | Poly standard two-year limited warranty |
- Poly SKU: 218479-02
- HP SKU: 77Z32AA



