* Combo USB 3.0 3 Port hub and 10/100/1000 Mbps Ethernet adapter.* Add 3 extra USB 3.0 port and Gigabit Ethernet network connectivity to your Mac Book Air, Ultra book, or any PC with a built in USB 3.0 Port* Three USB 3.0 Ports support 5Gbps transfer rate and BC 1.2 2.1A charging for iPad and Smart phone* Portable and slim design, ideal for Ultrabook, Mac Book air, Tablet PC and PC. USB 3.0 Hub :Each USB 3.0 Port provides 2A output current for charging iPadEach Port supports USB Battery Charging specification v1.2Transfers your data at up to 5GbpsBackwards compatible with USB 2.0 Installs easily with Plug-and-Play convenienceEthernet Adapter :Supports USB 3.0, downward compatible with USB 2.0, and 1.1Transfer speed up to 1000MbpsDriver free installation for Windows XP, Vista, 7, 8 and 8.1, Linux and Mac OSVery low power consumption, compliant with IEEE 802.3az Energy Efficient EthernetSupport Windows 8 AOAC and Intel LPM/LTMSupports CDC-ECMChipset : RTL 8153Microsoft NDIS5, NDIS6 Checksum Offload (IPv4, IPv6, TCP, UDP) and Segmentation Task-offload (Large send v1 and Large send v2) supportSupports jumbo frame to 9K bytesFull Duplex flow control (IEEE 802.3x)Fully compliant with IEEE 802.3 and IEEE 802.3u 1 X USB 3.0 Hub / Giga Lan combo Adapter1 x USB 3.0 Cable1 x 5V AC/DC adapter Check out my other items!