OPPO Band Sport Black. Display type: AMOLED, Display diagonal: 2.79 cm (1.1"), Display resolution: 126 x 294 pixels. Device type: Wristband activity tracker, Form factor: Rectangle, Product colour: Black. Battery life: 14 day(s), Battery capacity: 100 mAh. Weight: 23 g, Width: 21 mm, Depth: 44.1 mm. Mobile operating systems supported: Android 6.0, Android 7.0, Android 7.1, Android 7.1.2, iOS