There are 4 models optional, different model with different interface and appearance, please choose suitable model before purchase: ---12 in 1 Interface included --- Gigabit Ethernet Lan RJ45*1 (10/100/1000Mbps Broadband) VGA*1 4K (3840*2160 / 30HZ) HDMI*2 USB 3.0*2 (high-speed data transmission, flash disk/mouse/keyboard and so on) USB 2.0*2 USB C PD charging*1 TF Card Reader*1 SD Card Reader*1 3.5mm Audio Jack/Mic 0-in-1*1 ---8 in 1 Interface included --- 4K (3840*2160 / 30HZ) HDMI*1 Ethernet Lan RJ45*1 (10/100Mbps Broadband USB 3.0*1 Type-C*1 TF Card Reader*1 SD Card Reader*1 USB C PD charging*1 USB C data port*1 ---5 in 1 Interface included --- USB 3.0*1 USB 2.0*2 TF*1 SD*1 IMPORTANT NOTE 1. Make sure that the host USB-C port on the device complies with the USB 3.1 specification or the USB-C port is Thunderbolt 3. 2. To use the HDMI output port, the host USB-C port from your device must support DisplayPort Alt Mode. 3. Does not support Lenovo laptops 4. Some computer systems need to manually install the network card driver to connect to the Internet 5. 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 cannot be used for data transmission. 6. When connecting to laptop, Do NOT support charging cellphone through USB-A or USB-C female port due to limited current. 7. Only support connecting 1 HDD/SSD at a time ; Please provide power supply when connecting to power-hungry devices. 8. Not support charging for HP laptops and tablets via the PD USB-C charging port. 9. Charging Power Delivery enabled Dell USB-C laptops via the PD USB-C charging port requires using your 55W or above original power adapter. 10. For Samsung Galaxy S10/S9/S8/Note10/9/8, it is compatible with Dex Mode through hub, phone system version requires Android 9.0 or above. ---12 in 1 Product Feature--- 12 in 1 USB-C Docking Stationlaptop docking station has perfectly combined the function of usb-c hub and docking station. Compared to the heavy docking station and other USB C hubs, it is a docking station triple monitor, lightweight, portable, powerful with multi-ports. Built-in advanced chips with low power consumption, quicker heat dissipation and higher data transfer efficiency refine a new concept of USB C dock. Triple Display USB C HubThe laptop dock's Multi-HDMI and VGA ports can mirror or expand videos to external three or dual monitors. For OS system, it is also a mac mini dock, but please note it only supports mirror mode and non-mirror mode. Non-mirror mode means that the three external monitors are the same but different from the laptop. Please Note: When VGA Port is connected, each monitor will be limited to a maximum resolution of 1920 x 1080@60Hz. (Check out the third pic) Ethernet & 100W USB-C ChargingThe 1000mbps Gigabit RJ45 Ethernet port of thunderbolt 3 dock lets you enjoy high-speed internet. 1G movie can be downloaded in a few minutes. The PD charging port supports 100W/20V/5A that allows you to charge your Type C devices quickly. You can use this MacBook pro docking station to power your laptop with your original 87W adapter. Please Note: The Type C PD charging port is only applicable to devices with PD protocol. 4 USB Ports and SD/TF Reader 2 USB 3.0 ports with a 5gbps data transfer rate and 4.5W (5V/900mA) power output. And 2 USB 2.0 ports are best used for your mouse, keyboard and other low rate devices. The built-in SD and TF slot allows for easy access to files from universal SD and micro SD memory cards with a super speed of up to 5gpbs. Troubleshooting Q1: CAN'T charge my devices A1: Check the host USB-C port of your device support power delivery or not. Q2: My device is without USB C Port, will it work with my device if I use a USB C Female to USB Male Adapter? A2: NO It WON'T work Q3: Resolution Problem A3: Multiple Display USB C Docking Station Video Resolution Configurations: Single Monitor: 1*4K@30Hz(3840x2160) (HDMI) Single Monitor: 1*1080P@60Hz(1920x1080) (VGA) Dual Monitors: 2*1080P@60Hz (HDMI + HDMI)/ (HDMI + VGA) Triple Monitors: 2*1080P@60Hz + 1*800x400@60Hz (HDMI + HDMI + VGA) (To achieve optimal 3840 x 2160 resolution, please use it with a 4K screen display monitor) Q4: Black Screen Problem A4: If the HDMI monitors go black for 24 seconds and then recover, it is normal. It is a process of EDID (Extended Display Identification Data) communication, which may blackout screen for a few seconds. The recovery time depends on the laptop and monitor (1 minute at max). Q5: How to Use External Monitors with Y