From the office to home working, in wireless stereo: up to 50 m of range, 24 h of talk time and a call-in-progress indicator light on the earpiece. The BT700 USB-C Bluetooth adapter is included.
Stereo, two earpieces
Bluetooth wireless, USB-C BT700 adapter included
Range up to 50 m
Battery life 24 h in conversation, 47 h for music
Noise-cancelling boom with 2 microphones
Acoustic Fence technology against background noise
Call-in-progress indicator light on the earpiece
Also connects directly to a smartphone over Bluetooth
Wireless stereo headset POLY Voyager 4320: an entry-level Bluetooth headset that gives your teams real freedom of movement, at home or in the office. Connectivity: wireless Bluetooth with the supplied BT700 USB-C dongle for the computer and a direct connection to your smartphone; range of up to 50 m so you can talk while walking around. Wired USB mode also available. Stereo sound: two ear cups to shut out the noise and focus on your calls. Microphone: boom microphone with Acoustic Fence technology, which reduces background noise for well-controlled conversations. Also: up to 24 h of wireless battery life, on-call indicator light on the ear cup, USB-C Bluetooth dongle included, travel case.
Bluetooth via BT700 USB-C adapter · wired USB mode
Adapter or receiver included
Poly BT700 USB-C Bluetooth adapter
Base or stand
None (charging base sold separately)
Headset charging
USB-C charging cable included
Wireless range
Up to 50 m, 91 m with the Voyager Office base
Simultaneously connected devices
Up to 8 paired devices
Listening time
Up to 47 h
Charging time
Less than 1.6 h
Microphone boom
Flexible noise-cancelling boom, mute button on the boom
Active noise cancellation (ANC)
None (passive isolation only)
Driver size
32 mm
Hearing protection
SoundGuard
Headset controls
On the ear cup: power on/off, answer/end call, mute, volume, pairing
Busy light
Call-in-progress indicator light on the earpiece
Warranty
1 year
Specific references
EAN
197029504555
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Frequently asked questions about this product
Is the supplied BT700 Bluetooth dongle USB-C or USB-A?
USB-C: this 76U50AA reference comes with the BT700 Type-C adapter, as does its charging cable. So check that your computer has a free USB-C port. The headset, for its part, connects to your smartphone in parallel over Bluetooth 5.1, without using a port.
What is the real talk time, and does the indicator light reduce it?
Yes, noticeably: 24 hours of talk time with the call indicator light turned off, but 18 hours when it is on. Allow 47 hours of music listening and up to 50 days on standby; a full recharge takes less than 1.6 hours. A voice alert announces the remaining battery life during calls.
What if the battery runs flat in the middle of a day of calls?
You keep working: the Voyager 4320 has a USB wired mode that carries audio over the included 1.5 m USB-C cable and extends the battery life accordingly.
Can it be used with both a computer and a mobile phone?
Yes: the headset connects to the computer via the BT700 adapter and directly to the smartphone over Bluetooth 5.1. It remembers up to 8 paired devices, with the A2DP, AVRCP, HFP and HSP profiles, and voice alerts announce the connection status.
Will the people I talk to hear the open-plan office noise around me?
That is exactly what the microphone boom deals with: Acoustic Fence technology reduces the background noise around your voice, backed by two noise-cancelling microphones. The microphone's frequency response runs from 100 Hz to 6.8 kHz.
How far can you move away from your desk without dropping the call?
Up to 50 metres with the included BT700 adapter: you can answer and walk down the corridors without losing the conversation. An indicator light flashes on the ear cup to show the people around you that you are on a call. With the Voyager Office base, the range goes up to 91 m.
Does the headset protect your hearing over a full day of calls?
Yes, it includes SoundGuard acoustic protection. For comfort, it is a stereo on-ear model with faux leather ear cushions, whose two ear cups help shut out background noise. Mute is activated with a dedicated button, with voice confirmation.
Can you also listen to music with it, or is it for calls only?
It does both: the A2DP and AVRCP profiles are supported, with 32 mm speakers covering 20 Hz to 20 kHz and up to 47 hours of playback. Listening is in stereo, on both ears, and the volume is adjusted from the ear cup.
Does it work with a Mac, an iPhone or an Android phone?
Yes: Windows 11 and 10, macOS, Android and iOS are supported. Siri and Google assistants can be triggered from the headset, and the power on/off, answer/end call, mute, volume and pairing controls are all on the ear cup. Voice alerts signal maximum volume or low battery.
What exactly is in the Voyager 4320 box?
Five items: the wireless headset, the BT700 Type-C Bluetooth adapter, the USB-C charging cable, a travel case and the quick start guide.
Is the headset new and under warranty?
Yes: the Poly Voyager 4320 USB-C with BT700 dongle (76U50AA) is new and sealed in its original packaging, supplied with its invoice, which serves as the warranty document for 1 year. Its battery is a rechargeable Li-ion battery, recharged in less than 1.6 hours with the included USB-C cable.
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