POLY Blackwire 3220 Stereo USB-C Headset +USB-C/A Adapter 8X228AA

POLY Blackwire 3220 Stereo USB-C Headset +USB-C/A Adapter

POLY Blackwire 3220 Stereo USB-C Headset +USB-C/A Adapter. Product type: Headset. Connectivity technology: Wired. Recommended usage: Business/Everyday. Weight: 119 g. Product colour: Black

Performance Product type The sub-category of the product. Headset Wearing style The way in which the device is worn. Head-band Recommended usage What the product should be used for, and how it should be used (e.g. ambient temperature). Business/Everyday Headset type A headset is headphones combined with a microphone, or one headphone with a microphone. Headsets provide the equivalent functionality of a telephone handset but with hands-free operation. Types of headsets include single earpiece (monaural) and double earpiece. Binaural Product colour The colour e.g. red, blue, green, black, white. Black Operating keys Answer/end call, Mute, Volume +, Volume - Signal-to-Noise Ratio (SNR) This is the ratio of signal intensity to noise intensity. 118 dB Country of origin Country where the device is made. Aka Country of manufacture (COM). China, Mexico Ports & interfaces Connectivity technology The technology that enables connectivity of the device, e.g. wired or wireless. Wired USB connectivity The product has USB connector. USB connector What type of USB connector is built into the device. USB Type-C Headphones Impedance The effective resistance of an electric circuit or component to alternating current, arising from the combined effects of ohmic resistance and reactance. 32 ? Headphone sensitivity 90 dB Driver unit 2.8 cm Microphone Microphone type The characteristics of the microphone bulit into the device in terms of the reception of signals from all or just one direction, i.e. omnidirectional (better for concerts and the like vs unidirectional, more suitable for voice recording. Boom