oxygen is no problem with the device. Can you make a phone call with the Oshen Watch? According to the manufacturer, your device allows you to make a call while on the go. But you should make sure that you always have a Bluetooth headset with you. They are used as microphone and headphones. So you can always make important phone calls via the Oshen Watch while jogging or walking. Can you access the internet with your Oshen Watch? If you want to send or receive messages via WhatsApp, the internet is available to you. As with a smartphone, how good the reception is depends on the area you are in. What is special about the Oshen Watch? Compared to other health tracker models you have much more functions at your disposal. Pedometer and calorie counter are among the classic functions.