The device’s readings easily download to my ipad via blue tooth. The app also communicates with your desktop or laptop over the internet. Now it connects via bluetooth very reliably. The datum is very accurate.

It is comfortable and does not impede motion. The unit is not bulky, quite compact, pleasant on the wrist and easy to *. I prefer this over the wellue wrist device because it has a more comfortable rubber band and the button will allow you to toggle b...  Read More

O2 * is a vibrating alarm that wakes you up when your oxygen levels plummet. The alarm function is unobtrusive vibration so itwakes up the user without waking up anybody else.

The band and thumb sensor are comfortable. The vibrating thumb ring/sensor can be set to vibrate at any spo2 level. The app also lets you adjust the threshold for the vibration/alert for low 02 levels.

Battery is sufficient for a full night's sleep, plus naps plus another night. One of the only two areas for improvement on the device is that its readout (always on in day/activity mode) is not quite bright enough to read in sunny conditions.

Bodimetrics o2 * has poor customer support. It only allows you to save 3 events without using the cloud. The website says some apps need to access your media. It also demands permission to access my phone's gps data. There is no need for gps tracking,...  Read More

Another peach of a feature is the fact that it's closed off with no way to replace the weak battery! Also the thumb piece wire connection is too susceptible to malfunction if you put too much pressure against it during sleep which basically disables t...  Read More