Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Specification Power supply: 12VVibration frequency: 142000 times/secondProduct Size: 57*56*164mmProduct Color: Green， Pink， Purple， BlueWater capacity: 50mlTips 1. must be in the car when the engine starts to use this product2. cases prohibit the use of the products in the water3. using the appropriate temperature 0-45 degree4. avoid in reach of children product5. products in time to pull the plug when not in use， pour out all the water and place it in a dry place