ARCH Venture Partners and OpenLoop led the funding.

Happy Ring works by measuring your stress, mood, and sleep in real-time; paired with sensor-driven insights and exercises to help you see what works for you, constantly guiding you on your journey towards greater self-care. The Happy Ring's breakthrough technology uses custom-designed biometric sensors and proprietary adaptive AI, not present in other consumer devices, to capture brain signals from the peripheral nervous system and translate those into real-time objective measures of mood state.VC alerts subscription