High-quality sound: Bluetooth 5.2 and the latest aptX audio codecs for high-definition music, clear calls, and perfectly synced videos. Plug-and-play: Easy-to-use USB dongle makes it super simple to connect Bluetooth headphones to your PC or Mac. Low latency: Keep audio and video in sync for a seamless entertainment experience and essential calls. Headphone controls: Use the controls on your headphones for media and calls. Continued connection: The BTD 600 stays paired, so you can 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.