Lief Therapeutics operates in the health and wellness market, offering a wearable device designed to reduce stress and anxiety by monitoring heart rate variability (HRV). The company's primary product is a biofeedback training device that helps users understand and regulate their physiological responses to stress. The device uses haptic feedback to alert users to changes in their HRV, enabling them to manage their stress levels in real time. Lief serves individuals seeking to improve their mental health and well-being, including those with anxiety disorders. The business model is based on direct-to-consumer sales of the wearable device, as well as subscription-based coaching services that provide personalized mindfulness training and support. Revenue is generated through the sale of the device and ongoing subscription fees for coaching services.

Keywords: HRV, wearable device, biofeedback, stress reduction, anxiety management, haptic feedback, mental health, mindfulness, coaching services, direct-to-consumer.