CG105W Hi-speed 7 ports USB 2.0 Hub. 1 Upstream and 4 downstream USB port included. Fully compliant with USB specification version 2.0. Hot plug and play USB device. Half-transparent design with Blue Led for power. Interface: USB 2.0, compatible with USB 1.1. Data transfer rate: 1.5Mbps/12Mbps/up to 480Mbps. Bus-power Limit current protection: 500mA. Specially designed with on/off switch, more convenient. Used for your PC/Laptop to increase USB interface.