Poly Blackwire 3315 USB-C HeadsetStyle, comfort and audio qualityBuilt for style with a sleek design that focuses on comfort and reliability. Poly signature audio quality so you know you will sound great. And intuitive and simple features so every user can connect to their preferred device simply and easily. Performance Product type Headset Wearing style Head-band Recommended usage Office/Call center Headset type Monaural Product colour Black Operating keys Answer/end call, Mute, Volume +, Volume - Hearing protection technologies SoundGuard DIGITAL Sound pressure level (max) 118 dB Country of origin China, Mexico Ports & interfaces Connectivity technology Wired 3.5 mm connector Yes USB connectivity Yes USB connector USB Type-C Headphones Ear coupling Supraaural Impedance 32 Ω Headphone sensitivity 116 dB Driver unit 1.42 cm Noise reduction Yes Microphone Microphone type Boom Microphone frequency 100 - 10000 Hz System requirements Windows operating systems supported Windows 10 Mac operating systems supported MacOS Weight & dimensions Width 155 mm Depth 32 mm Height 178 mm Weight 207 g Packaging data Package width 207 mm Package depth 185 mm Package height 56 mm Package weight 224.27 g