Amazfit - GTR 3 Smartwatch 1.39mm - Thunder Black

Measures distance traveled, time, calories burned, activity, sleep activity and steps takenCompatible with Android and iOSSplashproofOLED display

Even with the vast array of advanced functions assembled within its slim and light body, the GTR 3 maintains a refined elegance only found in classic round watches, and yet still finds a way to integrate a powerful battery which can last for up to 18 days. With unprecedented visual clarity that reaches up to 326 ppi, the large 1.39-inch screen of the Amazfit GTR 3 boasts a 66% screen-to-body ratio, and is visible even under bright sunlight. See the data that matters to you clearer, brighter and quicker than ever before.