POLY BLACKWIRE C3220 STEREO BLACK USB NOISE CANCELING HEADSET White 200 dpi optical sensor with

200 dpi optical sensor with four-level DPI switch for sensitivity adjustment

allowing you to connect a keyboard

600 pages (Economy)

180 reclining Armor One allows you to recline up to 180

For more information about fill and yield

POLY BLACKWIRE C3220 STEREO BLACK USB NOISE CANCELING HEADSET White 200 dpi optical sensor withStereo Black USB type A wired 20 Hz 20 khz over the head binaural supra aural noise Cancelling microphone Available in monaural (C3210 C3215) or Hi Fi stereo with passive noise reduction (C3220 C3225) Variants include universal USB or usb c Connectivity technology: wired Minimum frequency response: 20 Hz Maximum frequency response: 20 khz Earpiece type: binaural Microphone technology: noise Cancelling Weight (approximate): 4. 16 oz