Material: ABS&TPR Outer Diameter apr.3.7cmInner Diameter Apr.1.7cmFrequency: Speed vibrationThe function of Clitoral StimulatorThe tip waterproof and Low noise vibratingBattery: Built-in batteryColor: PinkGender: MaleNOTICE :This item is for one time use only and has a total vibrating time of 25-30 minutes.Package include:1 x Butterfly Vibrating Cook Ring (batteries included)