Bangle 2.
Bangle 1 would run out of storage well before 4 hours.
@HughB started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Bangle 2.
Bangle 1 would run out of storage well before 4 hours.