Brand: Tripp-Lite. MPN: U437-001. 3.5 mm Audio Adapter Connects to Your Laptop s USB-C or Thunderbolt 3 Port This 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 Package The 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.