【2 IN 2 USB C HUB】: The USB 3.0 hub has three ports, USB 3.0, Thunderbolt 3 and USB A ports. It can perform data transmission and , can even charge smart phones. The USB C and Thunderbolt male port are directly connected to the laptop, and there is no extra data cable connection. 【Ultra fast USB 3.0 USB C Hub】: USB 3.0 port provide up to 5Gbps of transmission rates. You can easily use it to connect a mouse, keyboard, and mobile hard drive, and transfer important data files in just a few minutes. 【Thunderbolt 3 to USB C Hub】: USB C Hub extends a versatile Thunderbolt 3 port. Its data transfer rate is up to 20Gbps, and can charge your device with up to 100W of power. 【MacBook interface LIFE EXTENSION】: protect the type c ports of your MacBook Pro/ Air from wear and tear. 【Designed for MacBook Pro&Air】:2 in 2 USB C To USB A Adapter is tailor-made for MacBook, it compatible with MacBook Pro 2016/2017/2018/2019/2020, and MacBook Air 2018/2019/2020.