3.5 mm Audio Adapter Connects to Your Laptop’s USB-C or Thunderbolt 3 PortThis USB Type-C Stereo Audio Adapter allows you to connect a microphone, earbuds, headphones or speakers to your MacBook Pro, Windows laptop, Chromebook or other device with a USB-C or Thunderbolt 3 port. This adapter allows you to bypass a defective sound card or 3.5 mm headphone jack, as well as connect to a device that offers only USB-C ports. Ready to Use Right Out of the PackageThe plug-and-play audio adapter requires no software or external power. The slim cable fits easily into a pocket, purse, backpack, briefcase or laptop bag for connecting on the go. The 24-bit U437-001 converts digital high-resolution audio to analog at a 96 kHz sample rate to maintain a crisp, lively sound.