Poly (HP)
Poly Voyager 4320 UC Bluetooth Stereo Headset USB-C + BT700 Dongle (77Z31AA)
Poly Voyager 4320 UC Bluetooth Stereo Headset USB-C + BT700 Dongle (77Z31AA)
SKU:77Z31AA
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The Poly Voyager 4320 UC is a stereo on-ear Bluetooth business headset supplied with a BT700 USB-C Bluetooth adapter and a desktop charging stand, for calls on computers and mobile devices.
Key features
- Wearing style: Stereo, on-ear Bluetooth headset.
- Host adapter: BT700 USB-C Bluetooth adapter included.
- Wireless range: Up to 50m (164ft).
- Battery: Up to 24 hours talk time (online indicator off), up to 18 hours (indicator on); up to 47 hours music; up to 50 days standby; charge time under 1.6 hours.
Specifications
| Brand | Poly (HP) |
|---|---|
| Manufacturer part number | 77Z31AA |
| UPC / EAN | 0197029611611 |
| Wearing style | Stereo, on-ear Bluetooth headset |
| Host adapter | BT700 USB-C Bluetooth adapter included |
| Wireless range | Up to 50m (164ft) |
| Battery | Up to 24 hours talk time (online indicator off), up to 18 hours (indicator on); up to 47 hours music; up to 50 days standby; charge time under 1.6 hours |
| Charging | Desktop charging stand included; corded USB audio mode |
| Microphones | Two noise-cancelling microphones with Acoustic Fence technology; 100Hz - 6.8kHz |
| Pairing | Up to 8 paired devices |
| Hearing protection | SoundGuard Digital |
| Certifications | Zoom certified; Google Meet certified |
| Compatible operating systems | Windows 11, Windows 10, macOS, Android, iOS |
| Management | Poly Lens |
| Weight | 158g (0.35lb) |
| In the box | Wireless headset, BT700 USB-C adapter, charging stand, USB-C charging cable, travel pouch, quick start guide |
| Warranty | Poly standard two-year limited warranty |
Compatibility and use
Talk time and wireless range are manufacturer ratings and vary with use and environment. Noise-cancelling microphones reduce transmitted background sound; this is not a claim of active noise cancellation at the ear. This is the UC version (Zoom and Google Meet certified).
Product image is a manufacturer or authorized catalog illustration of this model, not a photograph of an individually stocked unit. Specifications above define the supplied configuration; shown accessories are included only where expressly listed.
Technical Specifications
Technical Specifications

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