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2.function:4 OR 10 OR 20 pattern vibration
3.wateproof and silent vibratin
4. Power:butterfly egg :USB rechargeable
controller :with battery inside
5.control distance:The farthest is 20 meters
6.Feature:wireless remote control distance
Now I will talk about how to use this product:
1.First of all, you have to charge this product, like the picture below
2.Press the main switch,like the picture below
3.Open the remote control switch button.
4.Press the button which to adjust the vibration frequency, like the picture below