... 10000pcs/week Certificates:CE&Rohs Specifications: 1. Expand four USB ports, supply up500mA per port2. Hi-speed, maximum ... transient current overload protection, use of safe and convenient Slim size, easy for taking to anywhere OEM manufacturer, ... later Applications:suitable for USB disk, USB mouse, USB keyboard, USB printer, digital camera, mobile storages, scanner and USB soundcard etc. Packaging ...