High Quality Aux Cable that is simple to use and compatible with all devices that supports 3.5mm male plug. It is used to connect your iPhone to any audio player with 3.5mm jack. asy to plug and play Connectors: 3.5mm jack to 3.5mm jack (male to male) Weight: 20g Diameter: 2.0mm Cable: 3 core wire Function:conversion function, extension function