Poly EncorePro series headsets are a perfect choice for traditional and in-house contact centres. USB cable connectability allows simple connection to a PC or notebook SoundGuard technology protects you from sudden loud noises and limits the average noise exposure Built-in call management buttons for answering, ending and muting calls, and controlling call volume Wideband audio for exceptional voice clarity Soft leatherette ear cushions for all-day comfort Weight: 53 g Please note: We recommend using Poly Lens software with this product. This enables central management of video devices, headsets, phones and webcams. Other benefits: - Custom device settings - Always the latest firmware - Easy troubleshooting tool - Fast device integration - Dashboard layout with intelligent news feed