... : adapter ( with CE&UL certificate,all kinds of plugs available) or batteries(AA,AAA)- diameter: 90mm- height: 24mm total- material: ... size(5cm~21cm)&shapes (round,square,triangle,trapezoidal,etc.),or with different material(aluminum alloy,crystal,ABS plastic,wooden,etc ... .),or battery powered,or with music,and so on. For more excellent ...