• Four USB Ports, two 3.0 ports and two 2.0 ports 
• One RJ45 interface, one earphone interface, and one microphone interface 
• Compliant with USB 3.0 transfer up to 5GPS 
• Complaint with USB 2.0 transfer up to 480 mpbs 
• Supports USB super-speed/high-speed/full-speed operation 
• Complies with USB 3.0 Specification, USB mass storage, bulk-only transport specification 
• Supports USB 2.0/USB 3.0 power saving mode 
• Designed for Windows XP, Windows 7, Windows 8, Windows Vista, Mac OS 10.6.8 X. 
• The first port can be used to charge for the iOS devices (Note: Only when the PC in the Suspend Mode can be used to charge)