Topffy Blood Pressure MonitorDigital BP Cuff Blood Pressure Cuff Voice Broadcast Automatic Large Backlit Upper Arm Blood Pressure Monitor BP Machine

Digital Automatic Blood Pressure Cuff Wrist Blood Pressure Monitor usb with 3 Color Backlit Display, which can record your family or your own blood pressure and pulse rate to prevent from irregular heartbeat, arrhythmia, high or low blood pressure etc. ?? Features: ? Comfortable, the wrist BP cuff is easy & comfortable to wear ? One-button operation, easy to use ? Large LCD display with backlit(Green/Yellow/Red), very clear to read the digits even in the dark ? Built-in high-capacity rechargeable battery (No Need to Buy Extra Battery!) ? Wide range cuff, cleverly designed cuff makes BP monitor easy adjustment for a snug fit from 5.31 ~ 7.67 inches ? High capacity memory function, allows storage up to 198 readings(2 users, 99 readings for each user) ?? Specifications: * Display: digital LCD display with backlight * Fully Charged Time: about 40 minutes * Maximum Permissible Errors: ±3mmHg * Memory Groups: 2user *99 pairs * Size: 78*69*29mm * Measurement Wrist Circumference: 13.5cm~19.5cm * Inflatable Mode: automatic inflation * Quick Exhaust Mode:electronic exhaust valve * Air Leakage Device: deflation valve * Results Show: high pressure/low pressure/pulse * Working Voltage: DC 3V * Package List: 1 x Wrist blood pressure monitor; 1 x USB cable; 1 x User manual;1 x Storage box ?? Note: ?Measuring time: after getting up/before going to bed. ?Measurement environment: an environment that makes people feel comfortable. ?Measuring position: keep the same position for each measurement. ?Measurement process: relax, quiet, don't move.