Poly 218470-01 Voyager 4310 Usb-a Headset +bt700

- BT700 USB-A dongle included- Compatible with UC applications such as Avaya, Cisco, Skype and others- Up to 160 ft/50m range from supported smartphone or laptop with BT700 Bluetooth adapter (less with other Bluetooth devices)- Dual flexible microphone boom arm with noise canceling with Acoustic Fence technology- Mute button on boom arm- Bluetooth v5.2 version- Battery: Up to 24 hours talk time (47 hours of listening time), 50 days standby time- 2 microphones: 1 uni-directional; 1 MEMS-directional- Call Controls: Track forward/track back/pause/play, mute, answer- On-line busy indicator (two LED lights on speaker housing)