Logitech Wireless Headset Dual H820e Double-Ear Stereo Business Headset (Certified Refurbished) This Certified Refurbished product is factory refurbished, shows limited or no wear, and includes all original accessories plus a 90 day warranty Up to 10 hours of wideband talk time Up to 100-meter (more than 300ft) wireless range Optimized for Microsoft Lync; Cisco compatible; Compatible with most leading UC platforms Intuitive on-ear call controls and 'In-Call' LED Indicator Light