Bluetooth Smart Spirometer for Lung Function Monitoring – Digital Peak Flow Meter with Auto-Sync APP for PEF & FEV1 – with 300 Records & Rechargeable Battery – Portable for Adults & Kids

["【Precision-Engineered Sensing】 Equipped with a high-performance differential-pressure sensor, this electronic spirometer delivers high-grade accuracy for PEF and FEV1 measurements. It is designed to meet professional standards for respiratory diagnosis, ensuring reliable data for effective home monitoring.","【Visual Risk Indicator】 Features a large, backlit LCD screen that instantly displays your test results alongside a color-coded risk indicator. By setting your customized \"expected values,\" the device provides immediate feedback on your lung function status through intuitive Green, Yellow, and Red zones.","【Seamless Wireless Integration】 Experience effortless data management with built-in Bluetooth technology. Your test results sync automatically to the dedicated tracking APP, allowing you to generate comprehensive health reports and easily share digital diaries with your healthcare provider for better collaborative care.","【Long-Lasting & Rechargeable】 Forget the hassle of constant battery changes. This pocket-sized monitor is fully rechargeable via USB, with a single 2-hour charge lasting up to 6 months of regular use. Its compact design makes it the perfect companion for travel or athletic training.","【Smart History & Easy Maintenance】 The device stores up to 300 timestamped records, letting you track your progress even without your phone nearby. It comes with two types of removable, washable mouthpieces to ensure a comfortable fit and high standards of hygiene for the whole family."]