StarTech USB-C Mobile Audio and Charge Adapter with 3.5 mm Audio Jack lets you convert the USB-C port of your device into a 3.5mm audio jack, while allowing you to charge your laptop, tablet or smartphone at the same time. Make calls or listen to music with this USB audio and charging adapter. The 2 in 1 USB-C adapter with headphone jack and charging port allows you to continue to use your legacy headsets, speakers or microphones with your USB Type-C devices, while simultaneously charging your device through Power Delivery pass through with Type C power adapter connected. The adapter also supports Quick Charge (QC 2.0) and BC 1.2 charging. The USB Type C to aux adapter features a cable-less, dongle design with a convenient side-port layout to reduce cable clutter, making it perfect for professionals at their workstation or on-the-go. Constructed of high-quality materials, the portable adapter provides a reliable and affordable audio solution for your USB-C devices that do not have a 3.5mm input. This USB C to headphone jack is universally compatible enabling you to use your existing wired headset with your USB Type-C or Thunderbolt 3 device, including the MacBook Pro, iPad Pro, Samsung Galaxy and Note. Virtual conference calls or customer service applications. Listen to music or make phone calls, while charging your USB-C device at the same time. USB-C audio and charge adapter with power delivery (PD) pass-through adds support for legacy headsets with built-in mic while charging your USB-C host using a single USB-C port; High-res audio port supports DAC audio output. USB C headphone and charger adapter is bus-powered or use external USB-C power adapter for up to 60W Power Delivery 3.0 pass-through to charge USB-C laptops and tablets; Fast Charge (BC 1.2) to charge USB Type-C smartphones.