Sound like a winner With the Blackwire 8225, your voice is the only thing heard, not the chaos around you. Its noise-canceling microphone with Acoustic Fence technology puts you in a quiet office, even if you're in a noisy kitchen. Stay focused It's no secret that tuning out background noise makes you more productive. Hybrid active noise canceling (ANC) makes it easy to escape the noise around you. And three ANC settings mean you can fine-tune your level of quiet where you work. Long-lasting comfort The Blackwire 8225 is crafted from premium materials with a lightweight design. You will get a comfortable, customized fit using adjustment markers and 180° pivoting speakers. You'll fall in love with the aesthetic design and robust look and feel. Advanced hybrid ANC Optimize audio comfort and quality with advanced hybrid active noise canceling (ANC) by choosing between three settings. Acoustic Fence technology Reduce disruptions from close talkers and environmental noise with the flexible, noise-canceling microphone enhanced with Acoustic Fence technology. Connectivity options Enhanced connectivity for your devices with a USB Type-C® cord and tethered USB-A adapter. Lightweight design Padded headband and soft leatherette ear cushions provide all-day comfort. Inline control Easy-to-use inline call control with call answer/end, mute, volume up/down buttons and a three-setting ANC switch. Communications platforms An IT manager's dream, this headset was created for communication and is optimized and certified to work with top virtual meeting providers. Compatibility Connects to PC or Desk phone via USB-A/USB Type-C® Color Black Boom mic length (mm) 135 mm Sensitivity (microphone) 10 dB SLR Signal-to-noise ratio >30 dB Impedance 32 ohm Cable length 63 cm (inline module to headset); 149 cm (USB to inline module); 219 cm (total USB to headset) Button user controls Call answer/end; Mute; Volume +/-; ANC: off, low, high 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 280° Ear cushions Artificial leather (surface material) Compatible Operating Systems Windows 11; Windows 10; macOS Acoustic protection technology SoundGuard Digital 1 2 Dimensions (W x D x H) 155 x 32 x 18 mm Speaker size 32 mm Package dimensions (W x D x H) 183 x 209 x 55 mm Weight 187 g Package weight 300 g Minimum System Requirements USB Type-A port; USB Type-C® port What's in the box Headset; Carrying case; User guide; USB Type-C® to USB Type-A adapter Manufacturer Warranty Poly standard two-year limited warranty