A magnetic mounting system is provided. The system includes a device having a magnetic attachment feature and a magnetic device mount. The magnetic device mount has a mating magnetic attachment feature. The magnetic attachment feature and mating magnetic attachment feature allow specific angular, radial, and/or longitudinal alignment of the device relative to the mount without a mechanical interface. An electronic device holder and charging system with integrated charging and data transfer interface and a self-aligning, magnetic coupling and docking interface with on-demand decoupling feature are also disclosed.