5 vibrations speeds and 5 functions4 unique attachmentsBody-safe siliconeWaterproofPhthalate freeRoHS compliantMaterials: Silicone, ABS bulletSize: Bullet Length - 2.375", Buttplug Length - 4.25", Dual Bulb Plug Length - 4.25", Tri-Bulb Plug Length - 5.5", Five Bulb Plug Length - 7"Rechargeable bullet - no batteries necessaryCharging time: 2 hoursUse time: 40 minutes