Poly Voyager 4320 USB-A Headset + BT700 Dongle

This is a Poly Voyager 4320 USB-A Headset + BT700 Dongle, an entry-level Bluetooth wireless headset from the Voyager 4300 UC Series designed for office and remote work. Manufactured by HP Inc., it features model number 4320, MPN 76U49AA, and UPC 197029504548. It supports wired/wireless connectivity with up to 24 hours of talk time, Acoustic Fence technology for noise reduction, and compatibility across PC, Mac, smartphones, and certified platforms like Microsoft Teams and Zoom.

Key Features of Poly Voyager 4320 USB-A Headset

Extended Wireless Range – Walk-and-talk up to 50 meters / 164 feet with the included BT700 USB adapter for freedom between workspaces.
All-Day Battery Life – Up to 24 hours wireless talk time; extend usage with corded USB mode or desktop charge stand.
Acoustic Fence Technology – Reduces background noise to keep conversations clear in home or office environments.
On-Call Indicator – LED flashes on ear cup to signal when you're on a call.
Smart Sensors & Controls – Dynamic mute alert, power, volume, pairing, call/answer/end controls, and support for up to 8 paired devices.
Optimized for UC Platforms – Certified for Microsoft Teams and Zoom; works with Siri, Google Assistant, and top virtual meeting providers.
Comfort & Durability – Adjustable headband, synthetic leather ear cushions, binaural on-ear/over-the-head design with passive noise cancellation.
Advanced Audio – Stereo sound, 20 Hz - 20 kHz frequency response, Dynamic EQ, SoundGuard, volume limiter.
Management Tools – Poly Lens cloud-based remote management for IT deployments.
Dual Microphones – Boom mic with MEMS technology, electret condenser, noise cancelling for clear calls.

Comprehensive Technical Specifications

Specification	Details
Manufacturer	HP Inc.
Brand Name	Poly
Product Line	Voyager 4300 UC
Product Model	4320
Product Name	Voyager 4320 USB-A Headset + BT700 Dongle
MPN / Manufacturer Part Number	76U49AA
UPC	197029504548
Product Type	Headset
Connectivity Technology	Wired/Wireless
Wireless Technology	Bluetooth
Bluetooth Standard	Bluetooth 5.1
Bluetooth Profiles	A2DP, AVRCP, HFP, HSP
Cable Length	4.92 ft
Wireless Operating Distance	298.6 ft
Sound Mode	Stereo
Minimum Frequency Response	20 Hz
Maximum Frequency Response	20 kHz
Noise Canceling	Yes
Features	Dynamic EQ, Acoustic Fence Technology, Mute Button, Volume Limiter, SoundGuard Technology, Voice Assistant, Dynamic Mute Alert, Smart Sensor Technology, Detachable Cable, Indicator Light, LED Indicator, Passive Noise Cancellation, Unified Communication
Fast Charging	Yes
Virtual Assistant Supported	Siri, Google Assistant
Microsoft Teams Certification	Yes
Zoom Certification	Yes
Adjustable Headband	Yes
Charging Method	Cable
Maximum Number of Paired Devices Supported	8
Battery Chemistry	Lithium Ion (Li-Ion)
Battery Capacity	350 mAh
Fast Charging Time	0.3 Hour
Battery Talk Time	24 Hour
Battery Rechargeable	Yes
Earpiece Design	On-ear, Over-the-head
Earpiece Type	Binaural
Driver Size	1.26"
Microphone Technology	MEMS Technology, Electret Condenser, Noise Cancelling
Microphone Design	Boom
Number of Microphones	2
Host Interface	USB Type A
Charging Interface	USB Type-A
Earpiece Controls	Power, Mute, Volume, Pairing, Call/Answer/End
Color Family	Black
Color	Black
Ear Cushion Material	Synthetic Leather
Form Factor	Supra-aural
Height	7.2"
Width	6.1"
Depth	2.6"
Weight (Approximate)	4.32 oz
Package Weight	0.80 lbs
Package Dimensions (H x W x D)	2.30" x 7.40" x 8.30"
Application/Usage	Smartphone, Music, Office, Voice Call, Desk Phone, Telephone, Mobile Device, Communication
Operating System Platform	Windows, macOS, Android, iOS
Platform Supported	PC, Mac
Country of Origin	China/Mexico
TCO Certified	Yes
Charger Included	Yes

Package Contents

Voyager 4320 USB-A Headset + BT700 Dongle
Quick Start Guide
Travel Pouch
USB Type-A Charging Cable
BT700 Bluetooth USB Adapter

Why Choose Poly Voyager 4320 Headset

Stay productive with roam-at-will wireless freedom, professional-grade noise control via Acoustic Fence, and seamless integration with UC platforms. Built for all-day comfort and managed via Poly Lens software, it's ideal for hybrid work setups supporting multiple devices and extended talk time.

Elevate your calls with Poly Voyager 4320 USB-A Headset + BT700 Dongle—order now!