The CC2237MF is a adapter convert any device USB-C port such as smartphone, tablet or computer into 3.5mm stereo audio port. It has built-in chipset that converts digital audio on USB-C port and connect existing headphones or speaker system with 3.5mm connection. Compatible with Samsung S8, BlackBerry Keyone, Motorola Moto Z and other smartphone with USB-C port. The USB 3.1 Type-C user-friendly reversible connector allows you to connect this adaptor to your USB-C enabled device in any direction.