Add DP HDMI 1x USB 3.0 Fast-Charge + Sync 3x USB 3 Gigabit Ethernet and audio to your Ultrabook or MacBook through a USB 3.0 cable - Universal USB 3.0 4K Laptop Docking Station w/ 4K DisplayPort USB Fast-Charge USB 3.0 GbE - DP / HDMI Dual Video - Compati