Usb2.0 Hub Usb Splitter Expander 1 Points 4 Notes $ 5.68 Specification Transmission rate :480Mbps Applicable occasion of giving gifts: employee welfare, public relations planning External power supply: No external power supply Interface number: USB HUB2.0 one drag four 0.6 meters,0.3 meters and 0.6 meters with the same price before asking customer service inventory Extenders: Extenders for notebook computers; USB Extender 2.0 Category :HUB 2.0; USB2.0 Hub; Usb hub Wire splitter :4 in 1 wire splitter 2.0; USB2 0 1 point quarterback