Please understand it's not a vibrating toy, the remote controller is for changing the light color.
Material: Metal
Color: Silver
Battery Type of Plug: 1 x CR2032
Battery Type of Controller: 1 x CR2025
Length: 9 CM (3.5'')
Insert Length： 5.5 （2.1’'）
Diameter: 2.8 CM (1.1'')