Type-C Type C Hub USB C USB3.1 Hub with HDMI 5 in 1
Combo Hub with 2 USB3.0 Ports SD TF Card Reader USB adapater

5 in 1 Aluminium USB C Hub With 4K HDMI SD/TF Card Reader 2 Ports USB 3.0 Converter Cable for MacBook Type C Hub Adapter
It is a multi-function converter.
USB 3.0 interface transmission speeds up to 5gbps.
Connect to the HD TV for the portable MacBook.
High speed card reader.

Specifications:
Product Type: USB Type-C Hub
Main Material: Aluminum alloy ABS
Interface: 2 x USB 3.0 port 1 x USB Type-C port 1 x HDMI port 1 x SD card slot TF card slot
(Please Note: This Hub can only read a TF card or a SD card at one time)
Connector: USB Type-C
Warm tips: Below devices are often rated as followings for your reference: Mouse: 100mA Camera: >300mA Portable hard disk: Max. 500mA USB 3.0 portable hard disk: Max. 900mA Keyboard: Max. 500mA
USB-C Compatible Designed to work with the latest generation of computers and smart devices that have USB-C ports. Including new 12 MacBook MacBook Pro 13”/15” Google Chromebook 2016 Huawei Macbook 2016 as well as other USB Type-C devices.
More Ports More Convenience It solves your connectivity problems and allows you simultaneously add multiple USB peripherals such as a mouse keyboard USB hubs printers to computers with limited USB ports and save yourself from constantly switching devices.

Sleek Size and Sharp Looking
1. Made from lightweight and durable aluminum alloy and coated with strength-enhancing
anodized finish gives the hub excellent heat dissipation ability to remind cool under heavy workloads.
2. It is incredibly tough and durable yet smaller and only slightly thicker than your smartphone.
3. It easily slips into any bag for you to bring your laptop on business trips or vacations.

Function:
HDMI:
4K * 2K 30Hz (3840 * 2160) the low compatible with 1080p 1080i 720p
USB3.0:
Transmission speed of 5 Gbps compatible with USB2.0 power supply up to 5 W Max.
For SD / TF card reader:
It is compatible with the SD / TF card. The speed of reading and writer depends on the quality of the card.

Working temperature: 0 to 45 ℃
Departure:
1 * 4 K HDMI
2 * USB3.0
1 * for SD card slot
1 * TF card slot

Note:
Please allow 1-3mm differs due to manual measurement.
Due to the different display and different light the picture may not show the actual color of the item. Thanks for your understanding."