Poly / Plantronics Poly Voyager Focus 2 Office UC - USB-A

Binaural triple-connect headset (smartphone, PC, landline) HD Audio: noise-cancelling microphone to prevent background noise ANC technology: active noise cancellation, clear calls SoundGuard technology: hearing protection Call features on the headset Longer battery life: 560 mAh lithium-ion battery Compatible with all softphones on the market