A:AnswerGetting it wet is not recommended. However, there are fitbits that are waterproof. They are bigger and more expensive. Do a comparison and make your choice based on what is most important to you.
A:AnswerIt will identify you performing some kind of activity if you do it for about 15 minutes in duration. As for distance or steps unlikely. If your heart beat - rate is slow as in watching a boring movie, it might think you are sleeping. What do you learn in spin class ? How to become dizzy. Is it slow or fast pace. Are you preparing to become an astronaut. We'll need the GPS feature to track your whereabouts or coordinates. - Now that's a spin move.
A:AnswerI have owned mine for over a year and I have not seen any true wear and tear. I wear mine almost every day. I only have to charge it every 5-6 days still. Hope this helps.
A:AnswerThe material is like a plastic rubber...but more rubber than plastic. I have sensitive skin as well, so I don't wear it too tight as it produces sweat. You could also change the band if your skin reacts negatively to the band.