HP Poly VOY 4320 USB-A HS +BT700

Poly VOY 4320 USB-A HS +BT700 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®; USB Type-A Cable length 59.05 in Charge Time <1.6 hours Charge Plug USB Type-C® to USB Type-A Audio Features Dynamic EQ optimized 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 2 Compatibility Compatible with PCs via included BT700 USB-A Bluetooth® adapter and smartphones via Bluetooth® Compatible operating systems Windows 10; macOS Minimum system requirements USB Type-A port; Bluetooth® Dimensions (W X D X H) 6.1 x 2.6 x 7.2 in Weight 0.35 lb