9 in1 USB-C HUB HDMI(30Hz)*2+USB3.0*2 +PD CHARGING + RJ45 + VGA + SD reader + 3.5mm Audio Jacket

1, HDMI: 4K*2K(3840*2160)30Hz, downwards compatible with 1080P 720P etc. 
2, USB3.0: Hight speed USB3.0 transmit 5GB/S, Power supply up to 4.5W max, 
3. USB C Female port: 20V@3A, Support max 87W power adapter, 
4, USB C male: Copatible with thunderboil 3, Make sure that the host USB-C port on your device complies with the USB3.0/3.1 Specification
5: VGA port: Compatible with 1080P
6, 3.5mm AUDIO JACKET
7, RJ45: Max ethernet speed: 1000Mbps
8, SD card reader: Read and write speed depands on cards' quality
Comply with USB-C interface specification built in conversion chip, plug and play 

USB C Hub Type-C

Features: 
Premium Quality
Built with the aluminum alloy case, it is specially designed for 13.3-inch or 15.4-inch MacBook PRO (2016 / 2017). 

SuperSpeed USB 3.0 Ports
Enable you to connect up to three USB peripherals to your MacBook PRO (2016 / 2017) simultaneously and transfer data at up to 5GBP/s. Backwards compatible with USB 2.0 devices. 

Thunderbolt 2 USB 3.1 Type-C port
Support Thunderbolt 3 throughout (up to 10Gbps), 4K (3840 X 2160 @ 60Hz) display connectivity, and charging for your MacBook PRO 2016 / 2017 while connecting to a USB-C power adapter. 

4K Video HD Output Adapter
Mirror or extend the display of your MacBook PRO 2016 / 2017 to your TV, monitor or projector in up to 4K UHD (3840 X 2160 @ 30Hz) resolution through the HD output port. Backward support 2K / 1080P / 720p / 480p / 360p resolutions. 

SD / TF Card Reader
Enable you to easily access files from an SD card and / or a TF card directly. Support SD memory cards and TF memory cards of up to 512G. 

Potable & Easy to Use
Slim, thin and compact. No driver required. Plug and play. Support hot swapping function.