4-port usb USB2.0/3.0

USB-A Port: USB 2.0 Standard, speed up to 5Gbps
Cable Length: 30CM
Material: PC+ABS
Color: Black
Power Port: 2.0 usb *4 DC 5V/900mA
Product Size: 10.5cm*3cm*1cm
Compatibility: Windows/Linux/Android 7.0 or over