The Ultrahuman Ring AIR monitors sleep, heart rate, movement and more

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Ultrahuman also says the Ring AIR has a 6-day battery life.

Someone using a smartphone while wearing an Ultrahuman Ring AIR.

Verizon has teamed up with Ultrahuman to bring the Ring AIR to its customers.Ultrahuman

For example, if you’re interested in monitoring your caffeine intake, there’s the Caffeine Window PowerPlug.

Note, however, that not all PowerPlugs are free; some require a subscription fee.

The Ultrahuman Ring AIR is now available at Verizon for $350.

The Ultrahuman app on a smartphone showing PowerPlugs.

PowerPlugs let you customize the metrics you want to track with the Ultrahuman Ring AIR.Ultrahuman