fitness band 3d model

Create a realistic 3D model of a modern fitness health band. The band has a slim rectangular black AMOLED display with rounded corners and a glossy glass finish. The strap is matte black silicone with a smooth texture and minimal design. The watch body is slightly curved to fit the wrist ergonomically. The display is turned on and shows a colorful health dashboard interface with heart rate, steps, battery icon, and time in a clean futuristic UI. The band should look premium, minimal, and lightweight. Add subtle reflections on the glass screen and soft shadows. High-detail product render, studio lighting, realistic materials, 4K quality, centered view, white background.