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

Product information:Transmission rate: USB2.0Whether external power supply: there is an external power supplyNumber 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 useWorking humidity: 10%-90%.Working voltage: 5VWorking current: 500mAWorking temperature: -20C-75CStorage temperature: -40C- 85C