This VGA KVM Cable is the newest design of USB & VGA 2 in 1 integrated. Perfect for VGA KVM switch. The novel design of USB pigtail is used as electricity supply, keyboard and mouse data transmission. Pls connect the USB end into Host Computer. This VGA KVM Cable can also work as ordinary VGA Cable when not concerning a KVM, just leaving the USB end beside. This KVM VGA Cable is under 2 year warranty and replaceable anytime. Get support from Customer Service any problem happens.