Product model Haylou Solar Pro Display 1.43" AMOLED display Resolution 466*466px Sensors Heart rate sensor, motion sensor, SpO2 sensor, pressure sensor Workout modes 100+ modes Battery capacity 300mAh Battery life Approx. 7 days (Turn on heart rate monitoring for 24 hours) Water-resistance grade 2ATM Sync data platform Haylou Watch Dimensions 55*49*12mm Strap width 22mm Weight 45g with strap