4K high-resolution image of a sleek, futuristic square device in gold and black color scheme. The device should be positioned in a flat lay, top-down perspective. It should feature clean, minimalist design lines with a matte black surface accented by polished gold trim. The focal point of the device should be a prominent button located in the center, gleaming with a subtle metallic sheen. Ensure that the lighting highlights the elegance and sophistication of the device while maintaining clarity and detail in the image.