Questions about Garmin vivosmart 4

Yes, it comes with a USB charging cable that needs to be connected to the computer to charge. Scope of delivery: vívosmart 4 fitness tracker USB charging/sync cable Quick start guide https://buy.garmin.com/de-CH/CH/p/pn/010-01995-01#box Manual page 10-11 http://static.garmin.com/pumac/vivosmart_4_OM_DE.pdf

Have you checked if a system update is necessary? The feature is available for this model.

Actually I do not know. It shows always the AM / PM format. However, in settings there’s a section time and date. If it is not there, then the format is fixed.

To 1 not yet tried To 2 worked automatically on my mac

Yep, alarms can be created via the Connect app. I don't use this feature, but I entered one once and forgot about it... The permanent vibration actually wakes you up quite well and is not as easy to set as a smart alarm.

The tracker must be worn on the wrist! There are special devices for the trouser pocket / belt buckle or app s that count steps

According to our information, it is unfortunately not possible to set a desired timer.

Both smartwatches can be seen independently of each other in the Garmin Connect app. However, there is no "interaction" between the two models. The Garmin Fit Junior 2 also has a special / different software than the Vivosmart. :-)