The Poly Voyager 5200 UC monaural headset moves with you to meetings in and out of the office. Other features: - Successor to the Voyager 5200 UC (ref. no. 7K2E1AA) with new USB receiver BT700 Unified communications Bluetooth headset for a PC/notebook and mobile phone/smartphone - Noise-cancelling microphone filters background noise - WindSmart technology filters out disturbing wind and ambient noise - Talk time: up to 7 hours - Range: up to 30 m 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