Item: ZT-HUB08Title:USB2.0 4PORT HUB(rolling style) Product feature:Friendly and ergonomic design,more colour,Plug and Play installation.Complicant with Bluetooth Card reader,USB mouse,USB Keyboard,Scanner,Digital cameraUSB audio card ,Hard disk ect. Provide up to 500ma per port. Supports up to 127Hi-Speed devices. Transfer face:USB2.0/USB1.1 Operating system:Win95 osR2/98SE/Me/2000/XP,Linux2.4andMac os8.5 VASTA high Transfer speed:up to 480Mbps Power:USB 5V/600ma Power outpu:5V/1.5A-2A Operating temperature:0°C-70°CStorage temperature:10°C-90°C Humidity:10%-90%non_condensing Electric:50-60ma Dimension:87.2MM*36.4MM*23.3MM producing area:SHENZHEN payment:T/T supplying capacity:1000pcs/day