DC Power 5.5x2.5mm weiblich zu 4.0x1.7mm männlichen Stecker Stecker Kabel
(It just adapts DC plug of 5.5X2.5mm to 4.0X1.7mm. 4)The female end is 5.5X2.1mm female Socket and the other end is 4.0X1.7mm plug. Product : DC Power 5.5x2.5mm Female to 4.0x1.7mm Male Plug Connector.