The push-button control on the end of the toy is easy to locate. Sometimes a bit too easy, though, as one can accidentally change the function while trying to move the toy, which is not beneficial to the goal. And, in moments like that, having to cycle through all the functions to get to the one you were using may not be what you want to do. However, most of the functions are quite pleasurable, so it's not difficult to find a few settings to be favorites. Each individual likes certain types of functions (short strong pulses, low continual vibration, building waves, etc.) and there's something for everyone available! On most setting, this toy isn't bad in the noise department. Will you be able to use it in bed next to your partner without them knowing? If they sleep deeply, maybe. It's not whisper-quiet on every setting though, and since it's not completely "submerged" being a g-spot vibrator (and the vibrations being in the very tip of the toy) there is less to muffle the sound. I noticed the most noise on the middle/high solid buzz setting. Though it is waterproof, I have yet to *use* it in water. However, it being waterproof meant I didn't have to worry about getting it quite "well-lubricated" during orgasm, and cleanup was a snap!