S20 pro Smart watch IP68 Waterproof Sports wristband 1.4 Inch Full Touch Screen ECG smartwatch Bluetooth Bracelet Band for Android mobile phones

3 colors,removable watch band,dynamic heart rate, blood pressure testing, blood oxygen monitoring, step motion meter please contact us if you have any questions. 1. We do not accept any refund without no reason. 2. We don't refund full if the partial items is damaged in delivery due to some objective matter. But we can accept a partial refund for compensating the damaged part. 3. If the product has quality problems, you can take pictures and vedio to us. When we confirm it , we will give you a satisfactory solution and refund you the damaged part.