This is a extension cable with DC-JACK that can be used to increase the length of a device cable up to 25m without signal loss.
1. compatible with USB 2.0 specification, support speed up to 480Mbps; 2. LED indicator desgined for easy status monitoring; 3. Self-powered for USB cameras, printers, webcams, keyboard/mouse ect; 4. Additional power DC-Jack is designed for devices which need more power such as USB HDD and high power Wifi networking device ect.