Heart rate monitor: built-in heart rate monitoring.Sleep monitor: to monitor the quality of your sleep, give you accurate reminding.Sedentary reminder: timely rest, avoid fatigue. Seventy percent of sub-health,   sedentariness is a major factor.Remote camera: can control your smart phone to take photos and you can enjoy the   pleasure of taking photos on your wrist. (pls note this function just can be used for Android system)Tracking steps: your private management experts, help you monitor the daily   movement, always check the number of steps, helping you to achieve   your health goals.Distance measurement: Measure you daily walking distance precisely.Themometer Measurement: Measure your body temperature at anytime anywhere.100% Hot and High QualityWe will carefully test every item before shipment.Notes:Due to manual measurements, please allow an error of 1-3 cm.Due to problems between different monitors, the image may not reflect the actual color, please refer to the actual product.If there is a problem with the product, please contact us.Thank you for understanding.FEEDBACK:1.If you are satisfied with our products and services,please leave your postive feedback and 5 stars.2.If you don't satisfied our products,pls contact us before you leave negative feedback.we guarantee we will 100% slove any problem for you and make you satisfied.SERVICE:1.We care about our valued customers,and will always try to help you,hope to establish long business with you.1156.Please contact us by Jumia Customer service before leaving any negative feedback or opening and dispute on the site. Please give us the opportunity to resolve any problem.Thank you.