An ear-mounted device (100) is mounted on an auricle (EA) of a human body. The ear-mounted device (100) is provided with an ear mounting part (1) and a finger part (3). The ear mounting part (1) hangs from the back surface side of the auricle (EA) to the base of the auricle (EA). The finger part (3) is elastic and pushes the auricle (EA) toward a temporal part (TM) of the human body from outside of the auricle (EA). The ear mounting part (1) includes a body (11) and an arm part (12). The body (11) has a predetermined shape. The arm part (12) extends from the body (11) in the forward direction from the body (11). The finger part (3) extends toward the body 911) from a distal end (12b) of the arm part (12) while projecting with respect to the arm part (12) in the direction away from the temporal part (TM) of the human body.本發明提供能夠在掛於耳朵後，抑制相對於耳朵的位置變化的掛耳裝置。掛耳裝置100掛於人體的耳廓EA。掛耳裝置100，包括掛耳部1、和指部3。掛耳部1從耳廓EA的背面側掛於耳廓EA的根部。指部3具有彈性，從耳廓EA的外側朝向人體的側頭部TM按壓耳廓EA。掛耳部1，包含軀幹部11、和臂部12。軀幹部11具有規定形狀。臂部12從軀幹部11朝向軀幹部11的前方延伸。指部3在遠離人體的側頭部TM的方向上相對於臂部12伸出的同時，從臂部12的前端12b朝向軀幹部11的一側延伸。
