USB cable connectability allows simple connection to a PC or notebook Flexible microphone arm with Noise Cancelling Protection against acoustic shocks with G616 and TWA Soft, replaceable ear cushions and lightweight design Inline call controls for easy volume adjustment and mute 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