- Microsoft Teams/Skype for Business Certified- Include charging stand.- Active noise cancelling (ANC) multiple microphones, 3 levels of advanced digital hybrid active noise canceling- Wideband HD Stereo sound for phone calls or just listen to music from your iPhone- Microphone boom arm that can be worn on either side (left or right) for stereo sound.- Microphone boom arm up to mute and down to unmute- Also compatible with all major VoIP softphones from Avaya, Cisco, IBM and more- Battery time: Up to 19 hours talk time- Class 1 Bluetooth, Poly BT700 dongle included- 160 feet of Bluetooth range using the BT700 adapter- Smart sensors knows when the headset is on or off; user can be easily answered by simply putting on the headset; pause music for incoming calls, or mute a call by taking the headset off- Controls on the headset allowing answer/end calls, volume control and mute; track forward/back for music playback- Online busy indicator built-in- Leatherette ear cushions- Travel case included