Simple button control and a large display enable smart operation and a clear viewing experience. The user-friendly design can suit most people, even senior users can operate it effortlessly on their own, without needing guidance from others. The built-in premium chip can deliver accurate measurements and smart voice prompts, allowing you to start measuring your blood pressure at home with accuracy. The memory function can record 90 groups of measurement results to remind you of daily measurement results, which is practical and convenient. The IHB heart rate test can detect arrhythmia while measuring blood pressure simultaneously, saving energy and freeing you from operational hassle. The adjustable wristband can fit wrist circumferences from 13.5 to 19.5 cm (5.31"-7.67"), making it widely compatible and applicable for family users. USB Charging. It comes with a USB charging cable, and this talking blood pressure monitor has a built-in 300 mAh lithium battery. You can charge it anytime and anywhere via your computer or power outlet. Main Functions: 1. Measure wrist circumference 2. Easy to use 3. Automated measurement 4. Storage memory 99 groups 5. Query memory data in sequence 6. LCD HD display 7. Operation automatically shuts down within 1 minute without operation 8. Accuracy: blood pressure ± 3%, heart rate ± 5% 9. Measurement range: blood pressure 0 ~ 280 mmHg, pulse 40 ~ 199 times/minute 10. Voice. A Great Gift for Healthcare. It is a good gift idea for your parents, grandfather, or grandmother's healthcare.