7-Port Usb2.0 With Independent Switch Hub 7-Bit Expansion Splitter 7-Hole Usb Hub Usb Hub 7-Port

Product information:
Transmission rate: USB2.0

Whether external power supply: there is an external power supply
Number of interfaces: 401.1 black, 4 ports 1.1 white, 7 ports 1.1 black, 7 ports 1.1 white, 4 ports 2.0 black 4 ports 2...

Current protection function, support overload voltage and instant current protection function, safe and convenient to use

Working humidity: 10%-90%.
Working voltage: 5V
Working current: 500mA
Working temperature: -20C-75C
Storage temperature: -40C- 85C