Samsung Galaxy Fit e, Wristband activity tracker, 0.74", PMOLED, 70 mAh, Waterproof, White Samsung Galaxy Fit e. Display type: PMOLED, Display diagonal: 0.74", Display resolution: 128 x 64 pixels. Device type: Wristband activity tracker, Product color: White, Band color: White. Battery life: 7 day(s), Battery capacity: 70 mAh. Weight: 0.529 oz (15 g), Width: 0.63" (16 mm), Depth: 1.58" (40.2 mm). Mobile operating systems supported: Android, iOS