USB HUB (3 USB Port+LAN) Multi-purpose: 2-in-1 3 USB 3.0 port hub and 10/100/1000Mbps self-adjusting Ethernet Adapter; Fast & stable: USB 3.0 ports offer data transfer speeds of up to 5Gbps (much faster than USB 2.0). Wired Gigabit Ethernet data transfer speeds reach up to 1000 Mbps, ensuring faster and more stable web surfing than Wi-fi; Smart and energy-saving: Supports crossover detection and auto-correction as well as Wake-on-LAN, which can wake up your computer remotely. Also supports IEEE 802.3az (Energy Efficient Ethernet); Wide range of compatibility: Compatible with USB 2.0 and 1.1 and supports Windows 8/7/Vista/XP and Mac OS X 10.8 and above. Also supports backpressure routing and IEEE 802.3x flow control for full-duplex (FDX) and half-duplex (HDX) systems; Plug and Play,Easy to Use,no need CD driver.Built-in overload current to protect devices. 3 blue LEDs, one per USB port. Sleek piano black glossy finish.