The Lenovo Vibe Band VB10 is a fitness band that uses a curved E Ink display on a metal case (either black, gold or white). The 30 gram device keeps track of your calories, sleep quality, steps and travel distance - and can last for 7 days between charges. It also shows phone notifications.

The VB10 is set to launch in April, in china only for $89.

E Ink display info: 
Curved E Ink
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ynvisible ink kit - create your own electrochrommic printed displaysynvisible ink kit - create your own electrochrommic printed displays