The Watch Fit 2 impresses with a 4.4 cm (1.74 inches) AMOLED display featuring touch functionality, a side button, and TruSeen 5.0 (2 photodiodes + 2 light sources). With all-day health management including heart rate monitoring, sleep tracking, stress testing, breathing exercises, and blood oxygen saturation measurement, you are well monitored. Accurate GPS tracking, Bluetooth calls, water resistance up to 50 meters, and a standby battery life of up to 10 days make this fitness watch an essential daily companion.