Render a photorealistic concept of the HaloGlo low-level laser therapy (LLLT) hair growth device. The device is hollow, ergonomic, and lightweight, designed to comfortably fit on the scalp. Its shape is semi-circular, like a sleek headband, wrapping around the top of the head, leaving the face visible. The surface is smooth matte white with metallic silver accents on the edges and controls. It has small, perforated vents along the inner surface for laser light emission. Soft glowing red and near-infrared lights are visible through these vents, evenly distributed across the scalp area. Adjustable, minimalistic straps ensure secure, hands-free fit. Include a subtle LED display on one side showing battery life and session time. Studio lighting, ultra-high-detail, sharp focus, modern medical device aesthetic, realistic textures, soft shadows, angles showing front, side, and slightly top perspective, highlighting the hollow design and laser elements. Emphasize futuristic, sleek, premium wearable technology suitable for home use. See more