Yes, each bud is calibrated to the Left and Right ear individually.
EarID™ is Nuheara’s proprietary hearing personalization system embedded in IQbuds™ Boost. The EarID™ app allows consumers to measure and analyze their hearing thresholds, then calibrate IQbuds™ Boost to reflect their own personal hearing profile.
Delivering greater levels of intelligent amplification than the original IQbuds™, IQbuds™ Boost and EarID™ give the consumer a simple and accessible way to enhance how they hear the world around them and personalize their own hearing experience.
Additionally, EarID™ delivers a perfect personalization solution while still allowing consumers the ability to enjoy the SINC™ real world control and customization of the original IQbuds™ product.
You can read more about this here: https://support.nuheara.com/hc/en-us/articles/360008467913-What-is-EarID-and-how-does-it-work-