Compatible with external heart rate monitors. Garmin Vivoactive 4S ( Garmin Connect Mobile) It supports third-party heart rate monitors to incorporate your pulse data. Is compatible with Windows. Garmin Vivoactive 4S. It is compatible with PCs and laptops running the Windows operating system. Earning Intensity Minutes. Your vívoactive® 3 device calculates intensity minutes by comparing your heart rate data to your average resting heart rate. If heart rate is turned off, the device calculates moderate intensity minutes by analyzing your steps per minute. Start a timed activity for the most accurate calculation of intensity minutes.

2.4 GHz @ 8 dBm nominal. ANT‍+ ® wireless communications protocol. Bluetooth ® 4.2 technology. Wi‑Fi ® wireless technology. 13.56 MHz @ -40 dBm nominal, NFC wireless technology. Water rating. Swim, 5 ATM 1. Device Information. 1 The device withstands pressure equivalent to a depth of 50 m.

Hold the touchscreen, and select Settings > System > Backlight. Mode. Sets the backlight to turn on when you interact with the device, which includes receiving a notification or using the key, touchscreen, or Side Swipe™ control.
However I can tell you my Garmin Vivoactive HR model is still goin strong after 3 years of not so gentle use. I'm a big fan of Garmin products based upon an excellent build quality and product longevity. My garmin 810 cycle computer and seen torrential downpours, been buried in the mud and survived a few crashes.
Comment: Open box unit. Never registered or used. 1 year warranty. Includes all original accessories. In the box: Garmin Vivoactive 3 Stainless/Black Band, Charging/data cable, Manuals. . 226 53 10 193 176 82 214 233 189

does garmin vivoactive 3 support wireless charging