Mobile phone case and mobile phone and case combination

A mobile phone case and mobile phone combination comprising:

• a mobile phone comprising a front surface, a rear surface, a first peripheral surface and a second peripheral opposite the first peripheral, wherein said first and second peripheral surfaces extend from said front surface to said rear surface;
• and
• a case comprising,
• a rear wall,
• a first peripheral wall extending transversely from the rear wall,
• a second peripheral wall extending transversely from the rear wall and opposite the first peripheral wall, said first and second peripheral walls and said rear wall defining a receptacle having a channel shape in cross-section having an opening opposite said rear wall, said mobile phone received in said receptacle through said opening with the rear surface of said mobile phone facing said rear wall, the first peripheral surface of said phone facing said first peripheral wall, and the second peripheral surface of said phone facing said second peripheral wall,
• a compartment in the rear wall for receiving a card having magnetic media, and
• a door covering the compartment, said door comprising a material capable of blocking a magnetic field emitted by the mobile phone, wherein the case would allow for wireless reading of a magnetic media of a card received in the compartment by an external device.