Get started now and push your limits! Whether marathon, triathlon or extreme trekking - if challenges are your thing, you have the right drill instructor on your wrist with the waterproof fitness tracker "Fit Track 5900". 22 sports are available. Perfect your fitness and track your running route thanks to the built-in GPS without having to carry your smartphone with you. With a heart rate monitor, pedometer, calories burned and sleep analysis, you are well informed about your fitness and body function. What's more, thanks to WhatsApp and call notification, you are always up to date. And not only that: The fitness tracker can also be used as a remote trigger for the smartphone camera. The bracelet lasts for 12 days without having to be charged.