Product Details: OBD2 One Minute Three Elbow Flat Floss Extension Cable 0.5M, Suitable for the Case That You Need to Connect More than One OBD Devices at the Same Time, This Is 16-Core Full Power, Not 8-Core, that Is to Say, If Only One Device Is Connected, One Hundred Percent Can Be Used. If You Connect More than One Devices, Consider Whether the Devices Are Compatible with Each Other.