Item Type:VibratorsColor:Black/White Random Quality unchanged  Material:ABSBattery: 3*AA Battery (Not Included)Feature: Double Control Patterns Properties:Sex ProductsProduct DescriptionNew Shock Therapy, Slimming Massager, Electro Sex Kit, E-Stimulation, Sex Toys, Nipples Body MassagerPackage include:1 * Sex ToysAll products are packaged to protect your privacy. Nipple clamps have a soft wrap to protect the nippleUsage: turn on the switch box, into three AA batteries( not included), the nipple clip on the nipple, adjust the tightness to a comfortable position, hit the power switch, and turn the knob on the switch box, the vibration velocity that is transferred to the appropriate available.