Adds two 3.5 mm ports to a device that comes with no more than 1 stereo audio jack; Connecting to a USB-C(TM) port lets user bypass a defective sound card or audio jack; Compact aluminum housing fits into a laptop bag for easy listening anywhere; Reversible USB-C(TM) plug connects in either direction for immediate no-fuss use; Plug-and-play operation with no software required for speedy installation; Includes quick-start guide;