Compatible with samsung galaxy a12 heavy duty mobile phone protective case with built-in metal magnetic sheet for stable adsorption, which can be directly adsorbed to the magnetic car mount holder for phone calling and navigation while driving.(Not includes the magnetic car mount hold All buttons and interface user-friendly design to avoid frequent disassembly. And the case perfect cutouts for speakers, camera and charging hole allow you to easy access to all features and convenient for charging your phone without take off the Sam