For accuracy and comfort, BioPack™ incorporates PerformTek biometric technology in pre-packaged system for immediate integration in wrist and arm wearables as well as other form factors. PerformTek technology can extract continuous heart rate, VO2, calories burned, and more with scientifically validated accuracy. Optomechanics, light detector, accelerometer, LEDs, and MCUs lend to scalable, optimized design. Standard interface is flex connector that supports UART or I²C communications.