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 545 USB-A Convertible Headset, Wired, Calls/Music, 1.13 oz (32 g), Headset, Black HP Poly EncorePro 545 USB-A Convertible Headset. Product type: Headset. Connectivity technology: Wired. Recommended usage: Calls/Music, Cable length: 85.8" (2.18 m). Weight: 1.13 oz (32 g). Product color: Black