Systems and methods are described that support variable play speed control for media streams. The main chamber is translucent and holds a chemiluminescent chemical stick that illuminates the chamber. A metal layer having the largest area in areas overlapping the first line segments among metal layers is the same as a metal layer having the largest area in areas overlapping the second line segments among those of metal layers, and is formed of a metal layer having the highest reflectance among the metal layers. The shift operation unit is connected to the transmission of the vehicle and shifts the shift range of the transmission.