Interface Type: USB 3.0Ports: 4Standard: USB 3.0Warranty: 1 yearsCompatible: windows xp/vista/7/8/10 and Mac OS,linuxColor: Black/WhitePorts: 4 Port,7 PortFunction 1 : USB HUBFunction 2: Mini USB HUBFunction 3: 4 port usb hubFunction 4: 7 port usb hubFunction 5: micro usb 3.0 HUBFunction 6: usb 3 hubFunction 7 : hub 3.0#Mini #USB3.0 #4/7Ports #Portable #USB #HUB #Adapter #PC #Accessories