Smart Watch with Blood Pressure Monitor,Fitness Tracker Watch with Blood Oxygen Heart Rate Monitor, Smart Pedometer Sleep Monitor Step Counter Watch for Women Kids Men (K-Silver Black)

Importants?The measurement results of this product are for reference only, and are not for any medical purpose (please follow the doctor's instructions)Built-in USB plug charging:Unplug the belt with the charging symbol on the back of the smart watch, and then insert the metal end of the smart watch into the USB charger for charging (USB port of the computer)How to re-pair:?Forget the Bluetooth “M4” of the mobile phone ---- Turn off the smart watch ---- Open the application to cancel the pairing of the watch.? Open the application to search for "M4" and pair it----turn on the smart watch (simultaneous operation)Features:12 hour / 24 hour time modeHeart rate monitorBlood oxygen monitorBlood pressure monitorSleep monitoringGPS trackStep watchSMS?SNS, call reminderFunction Instruction:Heart rate monitoring: The bracelet will automatically measure heart rate continuously for 24 hours. Switching the bracelet to the heart rate interface can also measure heart rate automatically.Step watch: Press it and hold for 3 seconds to enter the stopwatch — Click it to start — Click it to stop — Press it and hold for 3 seconds to exit.Steps record: It will record the steps into bracelet every day. The steps will be counted according your movement of your arms.Specifications?Bluetooth Version: Bluetooth 4.0 or laterOS requirements: Android 4.4 and IOS 8.4 or abovewaterproof rating: IP67Charging time: 1.5-2 hoursAPPLICATION: Wearfit2.0Wrist strap size: 235mm * 18.5mm * 10.8mmCharging method: Built-in USB chargingScreen size: 0.96 inchIf there is a question about the product or you do not understand the use of the product, please contact us and we will solve it for you as soon act us and we will solve it for you as soon as possible. Product details Shipping Information: ASIN: B088SR3F93 Batteries 1 Lithium Polymer batteries required. (included) Customer Reviews: Amazon Best Sellers Rank: #174,874 in Sports & Outdoors () #489 in