2025 NEW SMART WATCH CUSTOM WATCH FACE SPORTS WATERPROOF BLUETOOTH CALL SMARTWATCH ECG+PPG

If you are not satisfied with the goods received, please contact us within 15 days after receipt, we will give you the best help!Please don't worry! Fast refund Guarantee>> Partial or full refund depend on the situation. Shipping>>Worldwide Express Shipping Available. Handling time>> Ship fastest after payment.   FQA for BW0408 fitness tracker >>   Q:Why is the blood pressure value deviated from the sphygmomanometer? A:The deviation between the measurement value of the watch and the sphygmomanometer is determined by a variety of factors. The measurement site of the sphygmomanometer is in the radial artery, and the measurement site of the watch is the two main branches of the arteriole. Normaly, the aortic blood pressure measurement and the arteriole Blood pressure measurements will vary by three to forty; if you use a watch and a sphygmomanometer to measure at the same time, because the blood ?ows in the artery in the direction of the cent