Amazon.com : 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) : Office Products
EPOS I Sennheiser IMPACT D 10 USB ML Wireless Mono Headset, On Ear, Black (1000575) | Staples