Amazon.com: Sennheiser BTD 600 Bluetooth® Dongle - USB-A/USB-C Adapter with AptX Audio Codecs for Stable, Sound - Listen to Music, Make Calls, and Watch Videos : Electronics
Amazon.com: ienza USB-C Type C Charge Cable Cord Wire & AC Wall Adapter for New Beats Flex, Sony, Jabra Elite 75t, Sennheiser, Boltune, JBL & Other New Headphone Earbuds or Speakers :
Sennheiser Usb-Cc X5 MS Adapter Jack 0 1/8in To USB Headphones Converter PC | eBay