HP Poly 77Z31AA

Expert reviews. One COR Score.

HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand reviews

Brand: HP Poly More HP Poly headphones reviews →

HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand
Pictured: 77Z31AA · Image supplied through Icecat.
tbd

COR Score

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Compare HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.

Manufacturer code77Z31AA

The product, explained

About the HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand

HP Poly 77Z31AA is listed in the headphones & headsets category. The recorded specifications include product type: Headset; wearing style: Head-band; connectivity technology: Wired & Wireless. This entry covers manufacturer code 77Z31AA. Specifications relate to this exact source record; other editions or packages may differ.

The source lists Wired & Wireless connectivity. Check the actual inputs and supported devices before choosing accessories. Connection type alone does not establish sound quality, wireless delay or compatibility with a particular service.

Product type
Headset
Wearing style
Head-band
Connectivity technology
Wired & Wireless
Bluetooth
Yes
Microphone type
Boom
Stated music playback time
47 h

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Compare battery results with noise control enabled at ordinary volume.

Independent perspectives

Expert reviews 0

How we calculate the score →

Independent ratings, converted to the same five-point scale. Each card links to the original review and identifies the available evidence.

No scored critic reviews have been imported for this exact product yet. It remains unrated.

Independent reviews, made comparable

What does the COR Score mean?

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8/ 104.00/ 5

An illustration of conversion, not this product’s rating.

  1. Check the match

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  2. Compare on one scale

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  3. Require three critics

    Show the average to two decimal places after three distinct critics. Otherwise display tbd, keeping individual reviews visible.

Find the best fit by considering the score alongside the critic count, review dates, tested version and the strengths that matter to you. Eligible model-level reviews identify the tested configuration. Reviews of different hardware are shown separately and do not enter this product’s COR Score.

Know exactly what you’re buying

HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand specifications

Manufacturer code: 77Z31AA · Icecat product 101995136 · Checked 24 Sep 2026. Specifications belong to this exact model.

Key specifications

The main features to compare for this exact model. Missing details are not assumed.

HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — key specifications
Product typeHeadset
Wearing styleHead-band
Connectivity technologyWired & Wireless
BluetoothYes
Microphone typeBoom
Stated music playback time47 h
Headphone frequency20 - 20000 Hz
Weight158 g

More product specifications

Open a section for the details that matter to you.

Audio & listening4 details
HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — Audio & listening
Headset typeBinaural
Ear couplingSupraaural
Microphone frequency100 - 6800 Hz
MEMS (Micro-Electro-Mechanical System) microphoneYes
Printing, scanning & paper1 detail
HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — Printing, scanning & paper
Total carbon footprint (kg of CO2e)8.3
Connections & wireless3 details
HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — Connections & wireless
USB connectorUSB Type-C
Bluetooth profilesA2DP, AVRCP, HFP, HSP
Bluetooth version5.1
Power & battery8 details
HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — Power & battery
Battery operatedYes
Battery typeBuilt-in battery
Battery technologyLithium-Ion (Li-Ion)
Talk time24 h
Battery recharge time1.6 h
Charging sourceUSB
Standby time50 h
Charging standYes
Design & dimensions6 details
HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — Design & dimensions
Product colourBlack
Colour nameBlack
Cable length1.5 m
Width155 mm
Depth67 mm
Height182 mm
Software & compatibility7 details
HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — Software & compatibility
Windows operating systems supportedWindows 10, Windows 11
Mac operating systems supportedMacOS
Sustainability complianceYes
CompatibilityCompatible with PCs and smartphones via Bluetooth or USB Type-C BT700 adapter
Other operating systems supportedAndroid, iOS
Bundled softwarePoly Lens
Compatible operating systemsWindows 11; Windows 10; macOS; Android; iOS
Further product details7 details
HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — Further product details
Recommended usageCalls/Music
Driver unit3.2 cm
Sustainability certificatesTCO
PouchYes
Box contentsUSB Type-C charging cable; Quick start guide; Travel pouch; Charging stand; Wireless headset; BT700 Bluetooth Type-C adapter
General Product Safety Regulation (GPSR) URLhttps://kaas.hpcloud.hp.com/pdf-public/pdf_11069394_en-US-1.pdf
UNSPSC-code43191638
Packaging & supplied accessories10 details
HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand — Packaging & supplied accessories
Country of originChina, Mexico
Package width188 mm
Package depth210 mm
Package height115 mm
Package weight641.17 g
Cables includedUSB Type-C
Pallet gross weight94.6 kg
Master (outer) cases per pallet80 pc(s)
Master (outer) cases per pallet layer10 pc(s)
Pallet dimensions (W x D x H)1016 x 1219 x 1900 mm

Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.

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Your questions, answered

HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand FAQs

How many expert reviews are available for HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand?

No scored critic reviews have been imported for this product yet. This means review coverage is missing; it does not mean the product received a poor review.

What is the COR Score for HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand?

The COR Score is tbd. We publish a combined score only after at least three distinct critics have usable ratings. Any individual reviews already available remain visible.

Which exact version does this page cover?

This page identifies HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand using manufacturer code 77Z31AA. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.

What is the listed product type for HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand?

The source specification records product type as Headset. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.

What is the listed wearing style for HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand?

The source specification records wearing style as Head-band. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.

Where can I compare prices for HP Poly Voyager 4320 USB-C Headset +BT700 dongle +Charging Stand?

Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.

What does ANC remove?

It can reduce certain background sounds, especially when fit is good, but it will not remove every sound. Judge it for your environment.

Will Bluetooth version tell me every feature?

No. Features depend on profiles and implementation in both devices. Check manufacturer support information for the exact pairing.

Are open-backed headphones suitable for commuting?

Usually no. They let outside sound in and leak your audio, which may suit quiet home listening but not shared or noisy spaces.

How should I use the specifications alongside reviews?

Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.

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