Princess 4 I am a little skeptical on digital equipment such as this, but i have no choice so i bought this. I liked that it has an app that could take track not just your weight but also your body fat, fluid volume, etc. I am just not sure if that’s accurate, I didn’t mind anyways.Bluetooth connectivity: pretty fast. My bluetooth is always on, so i’ll just open the app before stepping on the weighing scale. I haven’t tried how far it can reach though. All in all, not bad for a digital weighing scale! Would recommend :)Btw, doesn’t work on carpeted floor, just so you know.