A health tracker is well suited for anyone who attaches great importance to their own health. With the help of the Smar twatch, the most important functions can be checked. Measuring pulse or oxygen saturation does not take much time. All measured data can be read on the display of the Oshen Watch. Extended Battery Backup Oshen Watch has a 96-hour battery backup. So, on a single charge, you can use it for 4 days non-stop. To charge, simply plug the smar twatch with the micro-USB cable included in the package. Take photos on the go You can take photos while jogging or going to work and show to your friends instantly. A good way to keep tabs with your friends, if you ask me. Waterproof The premium smar twatch boasts an IP67 rating. This means its waterproof in all circumstances.