Oppo Band Style Smartwatch - Black

OPPO Band Style Black. Screen type: AMOLED, Screen diagonal: 2.79 cm (1.1"), Resolution: 126 x 294 pixels. Device type: Wristband with activity tracker, Form factor: Oval, Product color: Black. Battery life: 12 days, Battery capacity: 100 mAh, Battery voltage: 5 V. Weight: 21 g, Width: 21 mm, Depth: 41.4 mm Supported mobile operating systems: Android