OPPO Band Style Black, Armband activity tracker, 2.79 cm (1.1"), AMOLED, 100 mAh, Waterproof, Black

OPPO Band Style Black. Display type: AMOLED, Display diagonal: 2.79 cm (1.1"), Display resolution: 126 x 294 pixels. Device type: Armband activity tracker, Form factor: Oval, Product colour: Black. Battery life: 12 day(s), Battery capacity: 100 mAh, Battery voltage: 5 V. Weight: 21 g, Width: 21 mm, Depth: 41.4 mm. Mobile operating systems supported: Android