Free yourself from your desk with the perfect affordable Bluetooth wireless dual-ear (stereo) headset. Meet the Voyager 4320 UC. Other features: - Binaural - Connected to PC/Mac via USB-A Bluetooth adapter and a mobile device via Bluetooth - Up to 50 m range (with BT700 USB adapter) - Dual noise-cancelling microphone suppresses background noise - Up to 24 hours of wireless talk time - Comfortable and adjustable padded headband - Includes charging station 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