• Poly "Boomless" microphone design features 10 omni-directional microphones with noise canceling, optimizing your voice and minimizing noise caused by wind and background sounds.
• Dual-mode active noise canceling (ANC) technology for the dual speakers (like the Bose Headphones).
• Bluetooth ver 5.3
• Soft, durable leatherette cushions
• Online indicator lights let others know when you are on a call.
• Controls allow you to easily answer/end calls, control volume/mute and track forward/back for music playback.
• Enhanced digital signal processing (DSP) for more natural sound
• Isolating stereo design provides immersive high-def sound, while powerful speakers deliver a high-quality music.
• Class 1 Bluetooth BT700 USB adapter provides wideband audio support, up to 100ft distance
• Up to 24 hours of wireless music, 21 hours of talk time.
• Headset controls: Call answer/ignore/end/redial, mute, volume +/-, Bluetooth pairing, ANC 1/2, open mic, smartphone VPA access, power on/off
• Connect seamlessly across multiple applications on desktops, Bluetooth-enabled desk phones, laptops, mobile phones, tablets and smart watches and pair to up to eight devices (connects to two devices simultaneously) with the BT700 USB adapter.
• headset Weight : 275g/9.7oz

Old Poly part # 220116-01

New HP part # 8G7T9AA

​What's in the box:  Heaset, BT700 (USB-C), USB-C to USB-A Adatper, USB-C charge cable, USB-C to 3.5mm  cable, travel case.