Easy to Use: The Portable wrist cuff blood pressure monitor and USB Rechargeable design, save your space and money, you can bring it anywhere and recharge it anytime .Please recharge it full first before using and make sure the main power switch turn on before use. Large Capacity: Omker digital blood pressure monitor wrist accommodates two individual users saving their individual readings on the same tensiometro (up to 99 readings per person), which helps you track your health, blood pressure, pulse rate, date and time of measurement. Furthermore, the wrist blood pressure cuff comes with Intelligent Voice Function. Comfortable and Simple to Adjust: The Blood pressure cuff fits wrist circumferences from 5.4 inches to 7.7 inches, pre-formed cuff make sure you can easy to wear it by yourself. 🎁Guaranteed Satisfaction: We are committed to the highest level of quality, and we’re convinced you’ll love your new blood pressure cuff, however, if you are not 100% satisfied with our wrist BP monitor, we will offer you a full refund. This wrist blood pressure has clear voice broadcast and the easy-to- read LCD screen show you the reading result, the Comfortable and Adjustable wrist cuff. Wrist BP machine is a perfect gift to your parents or lover.