Meet the LUNA Smart Bead, your very own personal pleasure trainer! With touch-sensors that respond to your every squeeze, the LUNA Smart Bead measures your orgasm-potential and sets a routine thats right for you. Progress through its 5 vibration-guided levels and youll be enjoying longer and stronger orgasms in no time. Touch-sensors measure your orgasm-potential 5 progressive vibration levels Intelligent memory function remembers your progress Includes continuous vibration mode for immediate pleasure Up to 200 routines from a single AAA battery Smooth Silicone 100% waterproof.Length: 3.25 inchesWashing: Hot soapy water and toy cleanerInsertable: 1 to 5 inchesColour: PurpleFlexibility: FirmController: Built InFor Who: FemaleFeatures: Measures your strengthMaterial: SiliconeBrand: LeloPower: 1 x AAA (Included)Size: 3.25 inches