ITEM NAME:Usb2.0 Hub Hub One For Four Usb Ports Round Usb Hub Splitter C4B6 Usb2.0 Hub Hub One For Four Usb Ports Round Usb Hub Splitter C4B6 Expanded 4 usb interfaces, each with up to 500mA; Adopt the second generation usb HUB controller; No need for external power supply, easy to use; No drivers, plug and play, hot swappable; Support USB2.0 compatible USB1.0/1.1, speed up to 480Mbps; System support: Win95osR2/98SE/Me/2000/XP, Linux2.4andMacos8.5 or above; All use first-class high-quality electronic devices to ensure stable product operation; Power supply: USB 5V/600ma; Additional power supply: 5V/1.5A-2A; HUB use temperature: 0 Â ° C -70 Â ° C; Storage temperature of HUB: 10 Â ° C -90 Â ° C; HUB use humidity range: 10%-90% non_condensing; HUB storage humidity range: 10%-90% non-condensing; HUB's main body current consumption: 50-60ma. colour:white Material:pvc size:Line length: 60cm Package Contents: 1 * USB2.0 HUB Hub.1 USB2.0 HUB Hub. HUB use humidity range: 10%-90% non_condensing;. HUB storage humidity range: 10%-90% non-condensing;. HUB use temperature: 0 Â ° C -70 Â ° C;. Storage temperature of HUB: 10 Â ° C -90 Â ° C;.