1. Fit your USB port with this cable so you can power small devices and electronics that use a DC 2.5mm jack. Cable uses the 5V DC from the USB port 2. USB Type A male to DC 2.5mm barrel connector 3. DC Power Plug Diameter (Outer/Inner): 2.5mm/1.0mm 4. For 2.5mm DC jack nokia mobile phone 5. Length: 65cm
