), body temperature, and even view ECG waves by holding the case in a specific way for about 20 seconds.

was specifically built for older iPhone models, including the . It was not manufactured for modern models like the iPhone 15 or 16.

Bluetooth LE (compatible with iOS and some Android KitKat devices)

The was a pioneering health-tracking iPhone case designed to monitor critical vital signs with medical-grade accuracy . While it was a groundbreaking concept when announced in 2014, potential buyers should note that this specific hardware product is largely a legacy device from a time before advanced health sensors became standard in wearables like the Apple Watch. Key Features of the Wello Case Wello case

: It included a unique spirometer attachment that users could blow into to check lung capacity and airflow.

: The internal battery was notable for lasting up to two months on a single charge. Availability and Buying Considerations