The Artemis Watch 2.0, made by CircuitMess, is a $129 programmable smartwatch designed less as a gadget you wear and more as something you can digitally rebuild into your own creation.
Build for monitoring, buy for safety.
A Linux based OS with bluez installed. This will produce an executable file at target/release/bluetui that you can copy to a directory in your $PATH. Tab or l: Scroll ...