| 摘要 |
The present invention relates to a device attachment comprising a magnetic material. According to one aspect of the present invention, provided is a device attachment comprising: a main body which can have a device fitted thereon or which can be disposed below the device; and a magnetic material part which is disposed on the main body and can have the magnetic field thereof measured by the device, wherein the main body can be rotated, pressed, or pulled up with respect to the device, and accordingly, the measured magnetic field changes, and according to the change in the magnetic field, a predetermined function can be realized on the device. |
