There is something about the weight and density of metal that changes the whole experience. It settles in with a presence that softer materials simply cannot replicate, and when you add vibration to that, the sensation is immediate and direct in a way that gets your attention fast. This is prostate territory, and if you have not explored it seriously, you are leaving a significant amount of pleasure on the table.The tapered teardrop shape makes insertion straightforward and comfortable, even for extended wear. Once it is in place, the aluminum alloy construction transfers every vibration with zero dampening. You feel all ten functions, not a muffled version of them. The wireless remote reaches 25 feet, which works well whether you are flying solo and want hands-free control or sharing the experience with a partner. Rechargeable means you are never hunting for batteries when the moment is right. Waterproof means the shower is a completely valid option. Body-safe, nonporous, nickel-free metal means you clean it in about thirty seconds and it is ready when you are.If you are going to explore this kind of pleasure, do it with a quality piece that actually delivers. This one does.Overall Length: 3.16 inchesInsertable Length: 2.03 inchesCircumference: 4.21 inchesMaterial: Aluminum alloy, nickel free, hypoallergenic, nonporous, body safeFunctions: 10 vibration functionsRemote Range: 25 feetWaterproof: YesPower: Rechargeable (waterproof remote also rechargeable)Lube Compatibility: Compatible with all lubricantsCertifications: RoHS Certified, Prop 65 Compliant