Item specifics
System Requirements:For Windows 8/7/XP/Vista, For Mac 10.4.6
6 In 1 USB3.1 Type-C to 2 Port USB 3.0 Hub TF / SD Card Reader with 4K HDMI & USB-C PD Port
Note:
1. Make sure that the host USB-C port on your device complies with the USB 3.0/USB 3.1 specification. Not compatible with USB 2.0 Type-C devices. 
2. To use the HD output port, the host USB-C port from your device must support DisplayPort Alt Mode.
3. To use the Power Delivery function to power and charge a connected USB-C laptop, the host USB-C port from your device must support USB Power Delivery. The USB-C input charging port can't be used for data transmission.
4. Please do not rely on the USB-A ports for charging your phones, tablets or other devices. The two USB 3.0 Type-A ports on the hub only support data transmission.
5. For a stable connection, do not use this hub with high-power devices. It supports one hard drive max.
6. NOT support charging for HP laptops and tablets via the PD USB-C charging port.
7. The SD card slot and the TF card slot can't be used at the same time.
Description:
The 6-in-1 USB-C Hub for laptops and other devices with USB-C port. It enables you to charge your USB PD supported Type-C devices with their original charger while simultaneously streaming videos up to 4K 30Hz UHD (3840 by 2160) to your TV, monitor or projector and transferring files through the USB 3.0 ports or memory card slots. 
Compatible USB-C devices: (including but not limited to the following)
 For MacBook (12-inch) 
 For MacBook Pro (13-inch & 15-inch) 
 For Google Chromebook Pixel (12.85-inch)
 For Dell XPS 13 9350 (13-inch) / XPS 15 9550 (15-inch)
 For Lenovo Yoga 900 (13.3-inch)
 For Huawei MateBook (12-inch)
 For Microsoft Lumia 950 (5.2-inch) / Lumia 950XL (5.7-inch)
Features:
1. 6-in-1 USB-C Hub: Extend one USB3.1 Power Delivery Type-C charging port, one 4K HD output port, two SuperSpeed USB 3.0 ports, one SD memory card slot and one TF (Micro SD) memory card slot.
2. 2 Ports Super Speed USB 3.0 HUB: allow you to simultaneously connect up to 2 USB-A peripherals (e.g. keyboard, mouse, speaker, U disk, etc.) to a USB-C laptop and transfer data at up to 5 Gbps. Backward compatible with USB 2.0 and USB 1.1.
3. PD USB-C Port: Connect to a USB-C power adapter and charge the connected PD enabled USB-C laptop via its Type-C charging port while connecting multiple peripherals and transferring data.
4. 4K Video HD Output Adapter: Enable you to mirror or extend the display of your laptop to your HDTV, monitor or projector in up to 4K UHD (3840 by 2160) resolution through the HD output port. Backward compatible with 2K/1080p/720p/480p/360p resolutions.
5. SD/TF Card Reader: Fast transfer files between your memory card and your USB-C laptop.
6. Thin, lightweight and compact: with durable aluminium shell, perfect for travel. Easily slide it into your pocket, bag or suitcase.
7. Easy to Use: No driver required. Plug and play. Support hot swapping.
Specifications:
Color: Silver, Gray (Optional)
Material: Aluminium Alloy
Interface:
 1 * USB 3.1 Type-C Male connector
 1 * USB 3.1 Type-C Female PD charging port
 2 * USB 3.0 port
 1 * 4K HD output port
 1 * SD card slot
 1 * TF card slot
USB-C 3.1 Transmission Speed: 10Gbps (in theory)
Video resolution (HD output port): up to 4K UHD (3840x2160 @ 30Hz) or 2K/1080p/720p/480p/360p
Can read: SD / TF card (memory cards are not included)
System Requirements: Windows 8/7/XP/Vista, Mac 10.4.6
Package Weight: About 90g
Package List:
1 * 6-in-1 Type-C USB HUB Card Reader (Other items in the pictures are not included.)