TCO Certified is the world’s most comprehensive sustainability certification for IT products, helping you make responsible product choices that drive the industry in a sustainable direction. Using TCO Certified also supports your organization’s efforts to reduce risk and take the next step in social and environmental responsibility. TCO HP Poly EncorePro 515 Monoaural with USB-A Headset, 1.83 oz (52 g) HP Poly EncorePro 515 Monoaural with USB-A Headset. Weight: 1.83 oz (52 g)