With the Bluetooth® Dongle BTD 600 from audio specialist Sennheiser you can truly enjoy a high quality and hassle-free experience with Bluetooth headphones and your PC or laptop. Plug it in, pair it, and forget it — Easy-to-use USB dongle makes it super simple to connect Bluetooth® headphones to your PC or Mac. Get the best experience your wireless Bluetooth®-enabled headphones can offer — Enjoy the best possible sound with support for the latest aptX audio codecs including aptX Adaptive and aptX HD. Great for entertainment and communications — Lower latency helps keep audio and video in sync for a seamless experience. Use your headphone controls — Use the controls on your headphones for media and calls. Swap between multiple PCs or Macs — The BTD 600 stays paired so you can simply plug it into another device and continue using your headphones. USB-A or USB-C — A convenient USB-C adapter attaches to the USB-A dongle so you can connect to either type of port.