Description: Weight:110g Color:white Compatible with USB interface version 1.0\/1.1\/2.0 Support both full-duplex and half-duplex operations Supports USB full-speed and high-speed transfer stolen Expand two hi-speed USB 2.0 port to connect usb devices Poweres by USB port， and also can connect external power The product has LED light to show the working status and the port connections Package included: 1*USB adapter cable More detail: