The global HMI sensors in wearables market was valued at USD 3.36 billion in 2024 and is projected to reach USD 7.29 billion by 2030, expanding at a CAGR of 14.2% from 2025 to 2030. Human-Machine Interface (HMI) sensors—encompassing touch, gesture, voice, and biometric recognition—are becoming essential components of wearables such as smartwatches, fitness trackers, and AR/VR...