Highly Accuracy -- Our automatic device accurately measures your bluetooth blood pressure and provides clear readings on its digital display. If your blood pressure exceeds the normal range, an warning symbols will appear. Voice Function -- During the process of taking measurements, voice prompts are provided. While this feature can be particularly useful for such individuals, it can also be disabled if you decide not to use it. Two User Memory -- Dual users is a feature that allows two individuals to track their health status using a single device. With the ability to store up to 99 measurements for each user, it becomes an ideal tool for families who want to monitor their health progress. Adjustable Wrist Cuff -- The wrist strap can be adjusted to fit wrists ranging from 5.3 inches to 7.8 inches, making it suitable for the vast majority of people. Your package includes a Wrist Blood Pressure Monitor* 1, an Instruction Manual* 1, and a Carrying Case* 1. Please note that the battery is not included in the package.