HP HP Poly Voyager 4320 UC Stereo Headset - On-Ear / USB-A / BT700 USB-A Adapter / Charging Stand

Compatibility Compatible with PCs via included BT700 USB-A Bluetooth® adapter and smartphones via Bluetooth® Color Black Charge time <1.6 hours Charging type Charge stand 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 type Rechargeable Li-ion Cable length 1.5 m Bluetooth version 5.1 Supported bluetooth profiles A2DP; AVRCP; HFP; HSP Paired devices Up to 2 Voice alerts Volume maximum; Volume minimum; Mute on; Mute off; Muted; Connection status; Talk time; Battery low Voice assistant Siri; Google Button user controls Power on/off; Call answer/end; Mute; Volume +/-; Pairing Headphone type On-ear (stereo) Number of microphones 2 Microphone type Noise cancelling Speaker bandwidth 20 Hz to 20 kHz Microphone bandwidth 100 Hz to 6.8 kHz Ear cushions Artificial leather (surface material) Compatible Operating Systems Windows 11; Windows 10; macOS; Android™; iOS