A electronic device (100) according to the present disclosure includes a first belt (10), front surface of the first belt (10) being provided with a display having a curved display face a second belt (30) a hinge (20) that connects a first end of the first belt (10) to a first end of the second belt (30). A shape of a space formed by the first belt (10) and the second belt (30) is an elliptical shape when the electronic device (100) worn around a subject is viewed from a side. The hinge (20) has higher flexibility than the first belt (10) and the second belt (30). The electronic device (100) has a first engagement unit (60) provided at a second end and a rear surface of the first belt (10), and in a region where the elliptical shape has smaller curvature than other regions. The electronic device (100) has a second engagement unit (70) provided at an outer side of the second belt (30) and engaging with the first engagement unit (60).
