Temple arms of augmented-reality glasses are disclosed. An example temple arm includes a curved temple arm housing configured to couple to a frame of a pair of augmented-reality glasses. The curved temple arm housing has a head shaped curvature to contour a portion of the user's head. The curved temple arm housing includes a set of electronic components coupled within the head shaped curvature of the curved temple arm housing and an input device configure to control one or more electronic components positioned within the frame of the pair of AR glasses. The set of electronics including a speaker, a front battery cell and a rear battery cell. The speaker is positioned adjacent to a user's ear and between the front battery cell and the rear battery cell.