Descriptions:

– USB 3.0 ports allow you to
connect keyboard, mouse, U disk, and external HD to your laptop with
data transfer speed of up to 5 Gbps.

– You can plug into the Usb-C Female Charging Port to your new Macbook in just a few seconds, then enjoy the charging time.

– Setting up an extra Monitor or projector has never been so easy.
Simply connect with the HDMI port and you can enjoy Ultra HD (4K) at
60Hz with high definition audio in no time at all. No driver required
for the Macbook or Chromebook Pixel.

Compatible Device (not a full list):

All new iMac/MacBook(MacBook 2017/2016/2015)MacBook Pro which with USB-C ports

Google Chromebook Pixel

Lenovo X1 tablet

Dell XPS12(9250), Dell XPS13(9350), Dell XPS13(9360), Dell Venue 10 Pro 5855, Dell Venue 8 Pro 5855

HP Spectre X2, HP Spectre X360, HP Elitebook Folio G1, HP Elite X2 1012 G1

Please Note:

For best using experiences, the total current of all extend devices
connected to this USB Type C HUB should not exceed 900mA, or the extend
devices can’t connect steadily.