Battery life : Up to 24 hours (talk time, online indicator off); Up to 18 hours (talk time, online indicator on); Up to 47 hours (music time); Up to 50 days (standby time) Battery : Rechargeable Li-ion Button User Controls : Power on/off; Call answer/end; Mute; Volume +/-; Pairing Microphone Type : 2 analog ECM; 2 digital MEMS Microphone Bandwidth : 100 Hz to 6.8 kHz Speaker size : 32 mm Speaker bandwidth : 20 Hz to 20 kHz Wireless Range : Up to 50 m; Up to 91 m (with Voyager Office base) Headphone Type : On-ear (stereo) Bluetooth Version : 5.1 Bluetooth Profile : A2DP; AVRCP; HFP; HSP Connection Type : Bluetooth (smartphone); USB Type-C (PC) Cable length : 59.05 in Charge Time : <1.6 hours Audio Features : Dynamic EQ optimized Voice Assistant : Siri; Google Voice Alerts : Volume maximum; Volume minimum; Mute on; Mute off; Muted; Connection status; Talk time; Battery low Paired Devices : Up to 8 Energy efficiency : TCO Certified Compatibility : Compatible with PCs via included BT700 USB Type-C/USB-A Bluetooth adapter and smartphones via Bluetooth - Voyager 4300 UC Series; Connects to a desk phone (via telephone interface cable), PCs (via USB-A or USB Type-C cable) and mobile (via Bluetooth) - Voyager 4300 UC series with Voyager Office base Compatible operating systems : Windows 11; Windows 10; macOS; Android; iOS
Varaian : - Poly Voyager 4320 USB-C / USB-A Headset +BT700 dongle - Poly Voyager 4320 Microsoft Teams Certified USB-C / USB-A Headset +BT700 dongle - Poly Voyager 4320-M Microsoft Teams Certified Headset +BT700 dongle +Charging Stand - Poly Voyager 4320 USB-C / USB-A Headset +BT700 dongle +Charging Stand