Style one: particle pairs Tiaodan

Small Tiaodan length 5.5cm， diameter 2.5cm， conventional Tiaodan size. 

[Brand] SHAKI 

[Material] senior medical rubber 

[Specifications] a / box 

Colour blue / purple / red / yellow， multicolor random shipments 

【Origin】 China 

[Power] to use 5 batteries (not included)

Style II: Smooth double Tiaodan