Product Description USB 3.0 combo Hub 7port w/switch USB 3.0 port compatable USB Revision USB 2.0 specifiaction Provides data transfer rate 480Mbps to 5GMbps Bus power mode and self power Plug and Play USB Combo Hub with 3 Port USB 2.0 and 4 Port USB 3.0 7 ON/OFF switch control your USB devices and power LED Dimensions: 8.4 x 2.7 x 1.6cm (WxDxH)