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POLY Voyager 4320 USB-C Headset + BT700 dongle + charging base (77Z31AA)

Up to 50 m of range in wireless stereo, 24 h of conversation and 47 h of music: calls as well as listening, with an Acoustic Fence boom microphone that keeps stray noise out.

  • Stereo, two earcups
  • Range up to 50 m
  • Battery life 24 h in conversation, 47 h for music
  • Boom microphone with Acoustic Fence technology against stray noise
  • Also connects directly to a smartphone over Bluetooth
  • USB wired mode to extend battery life
  • Full recharge in 1.6 h
  • On-ear cushions
  • Weight 158 g
  • Carrying case supplied
Ref.: 77Z31AA
2 039,00 DHincl. VAT

Configuration · Poly Voyager 4320

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Product overview

POLY Voyager 4320 wireless stereo headset: a Bluetooth headset supplied with its charging stand, for hassle-free calls and meetings.
Connectivity: wireless Bluetooth 5.1 with the BT700 USB-C dongle supplied for the computer and direct connection to your smartphone; range up to 50 m so you can move around and stay on the call. USB wired mode also available.
Stereo sound: two on-ear ear cups to shut out noise and focus on your calls and your music alike.
Microphone: mic boom with Acoustic Fence technology, which reduces distracting noise so you stay in control of your conversations.
Also: charging base included, up to 24 h of talk time, recharges in 1.6 h, 158 g, carry case.

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Technical specifications

Technical specifications
Dimensions (W x D x H)155 x 67 x 182 mm
Compatible operating systemsWindows 11, Windows 10, macOS, Android, iOS
Microphone frequency response100 Hz to 6.8 kHz
Cable lengthNone (wireless headset)
Wireless technologyBluetooth 5.1 (A2DP, AVRCP, HFP, HSP profiles)
Microphone type2 noise-cancelling microphones, Acoustic Fence technology
Talk timeUp to 24 h (call indicator light off), 18 h (indicator light on)
Standby timeUp to 50 days
Product colourBlack
TypeHeadset
ConnectorBluetooth, USB-C, USB receiver (dongle)
Headphone form factorSupra-aural (on-ear)
ListeningStereo (both ears)
Noise cancellationNo noise reduction
MicrophoneBoom microphone, Noise-cancelling microphone
Wireless battery life40 h or more
Technical specifications (continued)
Headphone useCalls & remote working, Music & mobility
Ear cushionsLeatherette (surface material)
Headset connectionBluetooth to the computer via the BT700 USB-C adapter · direct Bluetooth to the mobile
Wireless rangeUp to 50 m, 91 m with the Voyager Office base
Simultaneously connected devicesUp to 8 paired devices
Listening timeUp to 47 h
Charging timeLess than 1.6 h
Active noise cancellation (ANC)None
Driver size32 mm
Hearing protectionSoundGuard Digital
Headset controlsOn the headset: power on/off, answer/end call, mute, volume, pairing
Platform certificationsCertified for Zoom and Google Meet
Management softwarePoly Lens
Busy lightIndicator: on a call, and connection status
Warranty1 year

Specific references

EAN0197029611611

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Under Law 09-08, you have the right to access, rectify and object to the processing of your personal data. This processing has been authorised by the CNDP under no. D-CE-389/2015. Learn more

Frequently asked questions about this product

Is the charging stand supplied with this Voyager 4320 USB-C?
Yes, this reference is supplied with its charging stand: you set the headset on it between calls, with no cable to plug in. A carrying case comes with the set.
How far can you move away from your desk with this headset?
Up to 50 m of wireless range: you stay on the call while fetching a file or joining a colleague at the other end of the floor. That is the main practical difference from a wired headset.
How many hours does this headset last on calls and music?
24 hours of talk time and 47 hours of music: two separate figures, the first being the one that matters for a workstation. A full charge takes 1 h 36 min.
What should you do when the battery runs flat in the middle of the day?
The headset switches to USB wired mode: the conversation continues over the USB connection instead of the wireless link. Poly presents this mode, together with the charging stand, as the way to extend talk time.
What is the Acoustic Fence technology on this headset?
It is the processing that reduces unwanted noise around the microphone: built into the boom, it focuses sound pick-up on your voice and leaves out the bustle of the floor. The person you are talking to hears a conversation, not an open-plan office.
Are two ear cups the right choice in an open-plan office?
They shut out noise and help you concentrate on calls as well as music. The trade-off is that you hear your team less well: the mono version exists for reception and the switchboard.
Can it also be connected directly to a smartphone?
Yes, the headset connects directly via Bluetooth to the phone, in addition to the dongle plugged into the computer. It supports the hands-free and A2DP profiles, so calls and music alike.
How much does this Voyager 4320 weigh on your head?
158 g, in an on-ear design — the cushions rest on the ear rather than around it. A carrying case is supplied for travel.
Is this POLY Voyager 4320 USB-C new and under warranty?
Yes, new in its original Poly packaging, stand included. Your invoice serves as the warranty document and covers 1 year on this reference.

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