Sennheiser D 10 USB ML - US (506418) Single-Sided Wireless DECT Headset, with Direct Softphone Connection, Noise Cancelling Microphone, and is Skype for Business Certified (Black)
Amazon.com: RJ9 Plug to USB Headset Adapter Compatible with Plantronics Jabra Sennheiser Wireless DECT Headsets for Use with Computers PC Laptop Mac Tablet Window Softphones Devices : Electronics