Poly Blackwire 5220 Stereo USB-C + 3.5mm Plug + USB-C/A Adapter

Connectivity options - Enhanced connectivity for your devices: USB-C cord with tethered USB-A adapter for PC and 3.5 mm for mobile or tablet connectivity. Comfort and durability - Ultra-soft leatherette ear cushion(s) wrapped around pillow-soft memory foam provide long lasting comfort. A lightweight cushioned metal headband offers durability and a comfortable custom fit. Wearing style - Premium PC wideband audio with noise-cancelling microphone and Digital Signal Processing (DSP) for a more natural voice sound. Simple call management - Use the intuitive inline controls to answer/end calls, control volume, and mute to simplify call management. Conveniently placed indicator lights provide helpful but unobtrusive user call, mute, and volume status. SoundGuard Digital technology provides advance audio protection - Premium PC wideband audio with noise-canceling microphone and Digital Signal Processing (DSP) for a more natural voice sound. Enhanced call quality - Dynamic EQ optimizes the quality of your voice on calls, and automatically adjusts the EQ settings when you want high-quality sound for listening to music or for multimedia playback.