| Connects To | PC via USB-C/A |
| Audio | Dynamic EQ, microphone frequency response 100 Hz–10 kHz optimal for PC wideband voice telephony (up to 6,800 Hz), hi-fi stereo (C3220/C3225). Receive output from 20 Hz–20 kHz, enhanced digital signal processing (DSP), noisecanceling microphone, adjustable audio alerts with Plantronics Hub software (mute/volume)* |
| Remote Call Control | Call answer/ignore/end/hold, redial, mute, volume +/- |

