Poly Voyager 4320 USB-A Headset Headphones with Boom Mic – Connect to PC/Mac via USB-A BT700 dongle, Cell Phone via Bluetooth – Works with Teams, Zoom &More

features 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 Noise cancelling 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 Wireless: Bluetooth®, USB Type-A® BT700 Cable length 59.05 in Charge Time <1.6 hours Audio Features Microsoft Teams Open Office certified; Microphone noise cancellation with Acoustic Fence technology Acoustic Protection Technology SoundGuard Digital[1,2] Color Black 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 and smartphones via Bluetooth® or USB Type-A® BT700 adapter Compatible operating systems Windows 11; Windows 10; macOS; Android™; iOS Dimensions (W X D X H) 6.1 x 2.6 x 7.2 in Weight 0.35 lb Warranty Poly standard two-year limited warranty What’s in the box USB Type-A® charging cable; Quick start guide; Travel pouch; Wireless headset; BT700 Bluetooth® Type-A® adapter