未來感外星前臂護甲，內建觸控螢幕

advanced extraterrestrial forearm bracer device, massive wide armored cuff covering 40-50 percent of the lower forearm, 10-15 cm long and 8-10 cm wide, thick and solid structure, oversized alien technology, monolithic single-piece shell, seamless continuous body, not thin, not narrow, not a wristwatch, not a slim band, no straps, no chronograph, integrated large rectangular touchscreen embedded flush into the center surface, display occupying significant portion of the device, alien interface symbols, biomechanical flowing geometry, non-human design language, dark obsidian alloy with subtle iridescent tones, sculpted exoskeleton structure, integrated circular emitter nodes built into the body, heavy and robust appearance, wraps broadly around the forearm like futuristic armor plating, isolated object, centered, front three-quarter view, neutral light gray background, soft even studio lighting, sharp focus, photorealistic, ultra detailed product render, extremely wide forearm armor device, much wider than a watch, thick bracer proportions

NSFW, watermark, hand, arm