Headset Poly Blackwire C3220 USB-C Black w/USB-C/A Adapter

Compatibility Compatible with PCs via USB/USB Type-C®, connects to mobile devices and tablets via 3.5 mm and devices that support USB Type-C® Color Black Boom mic length (mm) 130 mm Sensitivity (microphone) 10 dB SLR Signal-to-noise ratio >24 dB Impedance 32 ohm Cable length 64 cm (inline module to headset); 90 cm (USB to inline module); 154 cm (total USB to headset) Button user controls Call answer/end; Call ignore/on hold; Redial; Mute; Volume +/- Headphone type On-ear (stereo) Sensitivity (speaker) 6 dB RLR Microphone type Omnidirectional Speaker bandwidth 200 Hz to 6.8 kHZ (speech mode); 20 Hz to 20 kHZ (media mode) Microphone bandwidth 100 Hz to 10 kHz Boom mic rotation 270° Ear cushions PU leather (surface material) Compatible Operating Systems Windows 10; macOS Acoustic protection technology SoundGuard 1 Minimum dimensions (W x D x H) 155 x 32 x 178 mm Speaker size 28 mm Package dimensions (W x D x H) 178 x 254 x 10 mm Weight 119 g (with cable); 92 g (without cable) Minimum System Requirements USB Type-C® port What's in the box Headset; USB Type-C®️ cable; User guide; USB Type-C® to USB Type-A adapter