Welcome to our store! Dual User Modes -- The digital blood pressure monitor can store 90 sets of measurements for 2 users (180 sets total) of each result with WHO target, date, and time. Easy to keep track of your blood pressure every day and recall the latest 90 historical readings recording your health status. USB Rechargeable and Portable Design -- Wrist blood pressure monitor built-in 300 mAh battery, it can be used continuously for 15-20 days after full charge, no need to replace the battery, saving money. The package comes with a plastic storage box, you can put the digital blood pressure cuff in it after use. The clear voice prompt and easy-to-read LCD screen show you the reading result, the comfortable and adjustable wrist cuff fits wrist circumferences from 5.4 inches to 10.3 inches, the pre-formed cuff ensures you can wear it easily by yourself. The wrist blood pressure monitor is a perfect gift for your parents, lovers or friends. (Make sure the *main power switch is turned on before use.) Satisfaction: Our customers are our top priority. If you find any problems with the product after receiving it, such as damage, incorrect quantity of goods, please contact the seller immediately, we will do our best to provide you with satisfactory customer service.