[CPJex]Sony RM-X11M remote controller Editor Pick - 27314 This is Sony remote controller RM-X11M for marine that has 9 buttons. You can use it for Car PC(or Boat PC) with CarPC JoyCon Ex(Exr) . Put 5.1k( or 56k) ohm between tip and ring, to use the album+/- buttons. Perform Auto-Detect in JoyCon Explorer.