Specifications: Pressure Accuracy: ±3mmHg Pressure Range: 0 to 260mmHg Pulse Accuracy: ±5% Cuff Size: Standard, 5.3" - 7.7" Power Source: Built-in lithium battery, USB charging Note: 1.Please read product instruction carefully before taking measurements. 2.Before taking the measurement, avoid drinking or coffee, eating, drinking, smoking, exercising, and bathing within 30 minutes to make the monitored value more accurate.with high blood pressure alarms and abnormal reminders. 3.BP monitor should be worn with palm up, and Keep the wrist cuff and heart at the same height. Voice broadcast: the blood pressure monitor has voice-assisted, it also can broadcast the history memories for better comparison. The voice function can be turn off if you don't need it. 5.3-7.7 inch adjustable cuff: this bp monitor is equipped with a 5.3-7.7 inch adjustable wide range wrist cuff, suitable for most adults. Please confirm your wrist size before purchg to avoid inconvenience.

Rechargeable wrist bp monitor: The wrist cuff is powered by USB charging, No worries about frequent battery replacement. It usually takes 2-3 hours to fully charged through the notebook, power bank, etc. The package includes a storage box and USB charging cable, convenient to carry out. Large LCD display and voice for easy reading: The large LCD screen and digits make it easy to read measurements. A pleasant female voice will tell the measurement readings of high pressure, low pressure. Suitable for the old use at home. Easy to operate and fast reading: Our blood pressure monitor is extremely easy to use with one-button operation. You just need to wear it with palm-up and simply press the central button, your measurement readings will show in the LCD display within 1 minute. Reliable and durable measurements: Our Wrist Bp monitor has been tested verified countless times to ensure high-precision, blood pressure within ±3mmHg /±0.4kPa; pulse rate within ±5%. 180 memory readings for 2 users: This blood pressure monitor supports dual users and 90 memory storage each. Keep tracking your family's health and compare trends over a period of time.