All of the best gadgets for fitness are wearable, touchable, personal technologies. They sit snug to your arm or around your wrist, or you might interact with them with bare skin. If you’re not sharing these gadgets with others, you might not think twice about how hygienic the device is after a few days, and a few grueling workouts, but over time you might actually compromise the function of your gadget. Having the best gadgets for fitness will only be useful for as long as those fitness monitors last, so it’s important to keep them in good condition, and to guard your own health by keeping them clean.

How to clean armband monitors.

Armband monitors are unique. They’re generally not s