The Jabra Link 950 helps boost productivity by enabling you to use a USB-A headset, either with just your desk phone or with your desk phone and softphone. Compatible with all Jabra corded and wireless USB-A headsets. When using with Jabra Evolve 40 and Evolve 80, RHL GN 1000 and the Link 360 (not with Link 370!) an additional power supply (14207-49) is required! Includes: Link 950 USB-A, RJ9 cable for desk phone, USB-A computer softphone cable, USB-C computer softphone cable, quick start guide