Enjoy your new freedom at the desk with the affordable wireless Bluetooth stereo headset Meet the Voyager 4320 UC. Other features: - Binaural - Connected to PC/Mac via USB Type-A Bluetooth adapter and a mobile device via Bluetooth - Range up to 50 m (with BT700 USB adapter) - Dual microphone with noise cancelling function for suppressing background noise - 24 hours of wireless talk time - Comfortable and adjustable padded headband - Includes charging station 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 - Software always up-to-date. - Simple troubleshooting tool - Fast device integration - Dashboard layout with intelligent news feed