If you are having difficulties with the Mio Alpha 2 Unisex Heart Rate Monitor, try referring to Mio Alpha 2 Troubleshooting.
Background and Identification
The Mio Alpha 2 Heart Rate monitor is one of three Mio heart rate and fitness monitoring products. It was released in 2015. This model of Mio is identified by the horizontal digital display, and by its model number 58P-BLK.
The Mio Alpha 2 Heart Rate monitor provides precision heart rate from the wrist, with no chest strap needed. This model tracks steps, calories, distance, pace and goal progress. The product has a customizable display, configurable heart rate zones and LED heart rate zone indicator. It is water resistant to 30m/3 ATM/100 ft and works with Mio PAI 1 and Mio GO apps.
Other models include the Mio Fuse, and Mio Link.