Abstract: A measurement apparatus includes a wearing portion, a body portion, a first measurement portion, and a second measurement portion. The wearing portion is configured to be worn at an auricle of a subject. The body portion is joined to the wearing portion. The first measurement portion is joined to the body portion, and configured to be worn by the subject and measure oxygen saturation. The second measurement portion is joined to the body portion, and configured to be in contact with the subject in a state in which the wearing portion is worn and measure body temperature.

Abstract: Multifunction key switch in which a multifunction key 6 is fitted into a hole 4 formed in a front case 3 so as to be able to pivotally move in a thicknesswise direction of the front case 3, as well as to enter a plurality of different operation instructions. A hole 8 is formed so as to penetrate through the multifunction key actuation section 6 in the thicknesswise direction of the front case 3. An execution key actuation section 7 is fitted into the hole 8 and determines the operation instruction entered by way of the multifunction key actuation section 6 when being pressed in the thicknesswise direction of the front case 3.