XOSS BBP Heart Rate Monitor Armband IP68 Waterproof Beat Band Pro HRM for Cycling, Run, Swim Health Fitness Smart Bicycle Sensor

1.Independent Storage：Record exercise data without connecting to bike computers or apps. 2.Colorful Heart Rate Indicator：The indicator light shows different colors according to the real-time heart rate. 3.Blood Oxygen：Check your blood oxygen level in XOSS app and plan your exercise scientifically. 4.11.5g Ultra-light Weight, Comfortable to Wear：*Main unit weighs about 11.5g（band not included) 5.Speed/Distance Estimation：With the step counter on, the cadence can be recorded and the speed and distance of movement can be estimated based on the cadence, height, gender, and other information. 6.Calorie Estimation：Helps you arrange your exercise and weight management. 7.Heart Rate Alert, Ensure your Safety during Exercise：When your heart rate reaches your preset maximum value, the armband will flash a red light and vibrate to remind you. 8.IP68 Waterproof, Perfect for Swimming(*The unit can be submerged in water up to 1 meter deep for 1 hour without being damaged).