To provide a new jog dial device capable of performing input by a plurality of rotating bodies and facilitating and accelerating an operation even when there are many selection branches to be specified by input.

The jog dial device is provided with a rotatable first jog 5, a first rotation detection means 12 detecting the rotation of the first jog 5, a second jog 15 rotatably attached inside the first jog 5 and a second rotation detection means 16a detecting the rotation to the first jog 5 of the second jog 15 and the push (click). Then, the directions of the rotary shafts of the first jog 5 and the second jog 15 are made different for 90 degrees for instance. Thus, even when the number of the choices is large, an operation amount to the rotating body can be small. The establishment of selection is commanded by the push (click) of the second jog 15 and the operation including the selection and the establishment is easily performed.