4-IN-1 USB HUB: Contains one Type-C, one USB3.0 and two USB2.0 ports, connected with an output Type-C port, providing high speed data transfer rate up to 5 Gbp/s; lightweight and appropriate size to carry in your laptop bag when traveling
POWER DELIVERY: Charging your laptop while transferring data and connecting multiple small power peripherals. (This function applies to MacBook 12", Pro Retina 13" and 15". Many other devices may not supported, there is a supported & No supported devices list on the product description.)
PLUG & PLAY: Used with no external drivers or power required; supposed to be used with portable devices such as wire keyboard, USB flash drive, 2.5mm external disk etc. (When using high power consumption devices, you still need to connect them to external power, such as 3.5mm external disk, DVD-driver, printer, etc.)
Type-C PORTS: Male - transferring data with the latest computers and smart devices, such as MacBook 12", Pro 13" 15" (A1706/A1707/A1708) etc. Female - used only for charging
MAC-STYLE DESIGN: 2.5D unibody aluminum alloy exterior, ionized finish, reinforced TPE cable coating. EMI protection to prevent interfere with wireless

4-in-1 USB Hub:
USB Type-C *1, (For Charging only)
USB 3.0 *1, (Data Transfer)
USB 2.0 *2, (Data Transfer)

Data Transfer Function Compatible with:
MacBook 12", MacBook Pro 13" / 15" with Thunderbolt 3 ports, ChromeBook, Dell, HP, Lenovo, more with Type-C port computers, laptops, tablets and phones.

Charging Function Compatible with:
MacBook 12", MacBook Pro 13" / 15" with Thunderbolt 3 ports.