2 * USB 3.0 + 1 * Gigabit Ethernet Adapter 2 * USB 3.0 Bus-Powered Hub with RJ45 10/100/1000 Gigabit Ethernet Converter LAN Wired Network Adapter for Mack Book Ultra Book Laptops and Tablet PC with USB Ports

This portable converter adapter includes two Super-speed USB 3.0 ports and one RJ45 Gigabit Ethernet port. It is a indispensable companion for your Ultra Book and notebook, and can offer 10 times the speed of the USB 2.0, also backwards compatible with USB 2.0/1.1 and support all USB devices such as card reader, flash drive, hard drive, etc. And, its compact size and portable design makes it ideal for travel and use as external extension solution for mobile work situation Such as for Surface Tablet and for Apple Mac Book. You can also use it to replace your broken internal network port on desktop and laptop, add a external network interface, and transferring files at superfast speed over an Ethernet port. This adapter will bring you much convenience. 

Features: 
Super-speed USB 3.0 Hub + Gigabit Ethernet Adapter expands your existing USB port to 2 USB 3.0 ports to allow more USB 3.0/2.0 peripherals + Gigabit LAN Network Cable to be attached.
Connect Mac Book, Ultra Book or Notebook to Ethernet network easily.
Extend 2 super-speed USB 3.0 ports for connecting multiple USB devices such as, card reader, flash drive, hard drive, digital cameras etc. 
USB 3.0 port can offer 10 times the speed of the USB 2.0, and it is also backwards compatible with USB 2.0 / 1.1 devices.
Ethernet Speed: Support up to 1000Mbps and downwards compatible with 10/100Mbps
Supports 10/100/1000 Gigabyte Ethernet, full duplex operation with IEEE 802.3x flow control. 
Integrated 10/100/1000M transceiver.
Supports IEEE 802.3az-2010(EEE).
Offer you an Extra Gigabit Ethernet Port.
Compatible with Windows XP/7/8 Mac OS-X Linux.

Specifications:
Port Type: 2 * USB 3.0, 1 Gigabit Ethernet (RJ45 Female)
Safety: Built-in Short-Circuit protection
The cable Length: 18 cm
Color:Black  
Main item size: 7.2 * 3.6 * 1.5cm / 2.83 * 1.42 * 0.59in
Main item weight: 43g / 1.52oz
Package size: 17.5 * 9.5 * 2.0cm / 6.89 * 3.54 * 0.79in
Package weight: 46g /1.64oz

Remarks
2.4GHz wireless devices and some hard drives are known as incompatible with USB 3.0 hubs
This hub does not charge any device, including for iPhone and for iPad
Please DO NOT connect more than 1 external hard drives one time due to power limitation

Package list: 
1 * 2 * USB 3.0 + 1 * Gigabit Ethernet Adapter