Polar Unite is a waterproof fitness watch with advanced wrist-based heart rate and connected GPS. This well-rounded ultra light fitness tracker helps you sleep better, train smarter and find the balance in your life – it's your assistant on your way to better fitness. Better sleep equals better recovery – and a more balanced life. With all pieces of the puzzle in place it's easier for you to discover your potential. Tracking your heart rate is the basis for improving your fitness. When you have your heart rate divided into heart rate zones and clearly visualized on your wrist, you’ll know exactly how hard you’re working at all times. Polar Unite's ultra light and sleek design is optimized for 24/7 use. You can wear it comfortably around the clock and match it to your style with multiple wristbands (sold separately).