Meet the Withings Go: a smart fitness tracker with an E-ink display that lets you track walks, runs, swims, and sleep. It has an e-ink display that is visible in bright sunlight and water. It displays your activity in real-time. The battery life lasts up to 8 months.
The Withings Go screen shows how active you have been with graphs and rankings. You can wear the device in 3 ways. The companion smartphone app provides you with insights into your activity level and sleep quality. More information is available here.