Any question, please contact wavlink. Product Description: Compact and portable design can freeing up space on your desk and easily slips into your pocket or computer bag when travelling. As you go without the need to carry multiple dongles that could occupy other ports and valuable space. Cause turn one Thunderbolt 3 USB-C port into dual DisplayPort display, Gigabit Ethernet and USB3.0 Port and do more with your computer. Enables connection of dual 4K DisplayPort displays at 60Hz, or one 5K display at 60Hz. Product Feature: 1. Supports 4K Dual Monitor or 5K Single Monitor resolutions at 60Hz. With two displays attached, you can fill one with full-screen workspace, and use the other for tools, other applications, and more. 2. USB3.0 standard Type-A for easy to access any USB devices or going to extended. 3. RJ45 Gigabit Ethernet provide secure, reliable high speed wired networks. 4. Bus powered with no external power required and offering a mini portable docking. 5.Attached 0.5m Thunderbolt pigtail cable (Intel Certified) ensures the transfer rate up to 40Gbps - 8X faster than USB 3.0 data transmission without any lag and distortion. In The Box: - 1 x Thunderbolt 3 Mini Dock