Meet Trivoly: a smart disc that attaches to your existing watch and adds smart features to it. It helps you keep up with your notifications. It also serves as a fitness tracker. Trivoly lets you control your smartphone from your wrist and interact with your apps.
Trivoly is super thin and water resistant. The battery life lasts up to 4 days. The device is expected to work with any watch. More information is available on Kickstarter.