Act as a senior product designer with 10+ years of experience in wearable tech and wellness. Design a sleek, modern [wearable stress monitor] that tracks [heart rate variability], [skin temperature], and [electrodermal activity] in real-time. The device should feature a [1.5-inch OLED touchscreen] with a minimalist interface displaying stress levels (low/medium/high) and personalized [guided meditation prompts] based on the user's biometric data. Include a [vibration alert] for high-stress moments and seamless integration with a companion app for [data visualization] and [meditation progress tracking]. Use a [soft silicone band] in calming colors (e.g., sage green, lavender) and ensure the design is [water-resistant] for daily wear. Highlight the [sustainability angle] with recyclable materials and a [modular design] for easy repairs.