This is a Type-C adapter (hub) with USB 3.0, HDMI output and Type-C charging port. The USB 3.0 port allows you to connect a USB device to a computer or other hub, the USB-C port allows you to charge the device, while the HDMI port (DP Alt mode) allows you to connect an additional monitor so you can watch video content or presentations on the big screen. It is compatible with Macbook, Google Chromebook Pixel and all devices that support Type-C port.

Features:
8-in-1 adapter: Type-C male to Type-C / HDMI / USB ports
Supports HDMI resolution up to 4096 x 2160 (4K ULTRA HD)
USB 3.0 ultra-fast data transfer up to 5Gbps (also compatible with USB 2.0)
Type-C port for charging devices like Macbook, Chromebook and other devices with USB-C input
Multiple USB-C ports with plug and play and hot swap (no need to reboot when connecting)
Light and practical to carry
Specification:
Input (Side 1): USB 3.1 Type-C male
Output (Side 2-1): 2x Type-C female (PD charging up to 100W)
Output (Side 2-2): HDMI female (for connecting to TV, projector, monitor)
Output (Side 2-3): 2x USB 3.0 female (for keyboard, mouse, external hard disk, cards, USB flash, printer, phone, fan, drawing tablet, heater, gamepad, etc.)
Output (Side 2-4): SD and TF card reader
Output (Side 2-5): RJ45 LAN port (100Mbps)
Cable: Triple shielded