The Sennheiser BTD 600 Bluetooth Dongle offers a seamless way to connect your desktop or laptop to Bluetooth headphones. Compatible with both PC and Mac, this dongle supports the latest aptX audio codecs, including aptX Adaptive and aptX HD, for high-definition wireless audio. It's ideal for entertainment and communication, with lower latency for synchronized audio and video, ensuring a stable connection. You can continue to use the controls on your headphones for calls and media. The BTD 600 stays paired, allowing you to easily switch between multiple PC systems without re-pairing.