Amazon.com: Sennheiser USB-ED CC 01 MS Cable Adapter for CIRCLE and CENTURY ( CIRCLE SC 230, SC 260 & CENTURY SC 630, SC 660), Skype for Business Certified Headset Solution : Electronics
Sennheiser Telephone Headset Cable to Connect Headset to USB Port on Computer - Sennheiser
SENNHEISER UUSB1 3.5mm/ USB Connector USB Adapter for all PC Headsets Headsets & Accessories - Newegg.com
Sennheiser USB-ED 01 (506035) - USB to ED Adapter - New - OregonRecycles.com
Sennheiser USB-ED 01 (506035) - USB to ED Adapter - New | eBay
Amazon.com: Tek Styz USB-C USB 3.0 Adapter Works for Sennheiser Momentum True Wireless 2 Case OTG Type-C/PD Male USB 3.0 Female Converter. (5Gbps) : Electronics
Sennheiser USB-A to USB-C Adapter | Avcomm Solutions
EPOS Sennheiser USB-CC x5 MS Headset Adapter - Walmart.com