Feature: Plug and Play Aluminun alloy shell，highlight testure 5 LED indicator with power seitch Standard 1m line length Output 4 standard USB 3.0 port(AF) with 1 USB charging port with 1 USB charge port The charging port supports Apple and Samsung device USB 3.0 hub supporting a transfer speed up to 4.8Gbps Current Output:2A USB 1.1 AND 2.0 compatible System requirements:Windows XP\/Vista\/7，Mac OS 9.1 or higher Package include: 1 x 4 port USB 3.0 hub