Product Features:♥One-touch OperationJust simply wear the wrist band, pressing the switch button, and you will get the accurate readings within 60 seconds. ♥User A/B Record2*99 readings, 99 records for per user. Intelligently averages past 3 measurements ensuring a precise reading. ♥Rechargeable Wrist BP MonitorUSB charging, No worries about frequent battery replacement. It usually takes 2-3 hours to fully charged through the notebook, power bank, etc. ♥Clinically AccurateFully automatic Blood Pressure Monitor employs advanced measuring techniques to provide you with an accurate reading every time. ♥Large LCD Screen & Voice BroadcastLarge LCD Screen is convenient for you to read, it can broadcast your blood pressure and heart rate when it is necessary. Average value for the last three records. Product Lnformation: Brand: Ziqing Model: XW-03 Display: LCD Digital Display Name: Wrist Blood Pressure Monitor Power Source: Built-in Lithium Battery DC 3.7V Battery Capacity: 300mah Voice Function: ON/OFF Weight: Monitor: Approximately 4.05oz/115g Measure Range: Approximately 13.5-19.5cm(5-7.7inch) Aotumatic Shutdown: 60s Without Activities Waterproof Level: Ordinary Equipment(IPX0 is not waterproof) Package Includes: 1 x Wrist Blood Pressure Monitor 1 x USB Cable (Adapter is not Included) 1 x User Manual 1 x Packing Box This item will send from USA warehouse. GET YOUR OWN BP MONITOR NOW1.【Help with Early Diagnosis】Using the home monitor can help your doctor diagnose high blood pressure earlier than if you have only occasional blood pressure measurement in a medical office. 2.【Easy for Keep A Blood Pressure Journal】The regular records can help you partner with your physician to ensure that your treatments to lower high blood pressure/hypertension are working. The American Heart Association recommends that anyone with, or at risk of high blood pressure, should monitor their blood pressure at home. 3.【Cut Your Health Care Costs】Self-monitoring might decrease your number of visits to your doctor or clinic, even if the cost can be afforded by medical insurance.About Measurement1. Please choose a room where temperature is appropriate for measuring, and keep your body relaxed, sit on a chair, put your feet on the ground and keep your body upright with your back straight. 2. Please keep position of your heart and blood pressure monitor in the same line as shown in the following picture.Measurement will be affected with different body condition, time and other various factors, so don't take blood pressure after sporting, be relaxed for 5 mins at least before measuing, don't speak in during, and please use it with same time of every time if you can. Return We accept return within 30 days after you order. Our items come with 180 days warranty. If you have any problem about the product, feel free to contact us.