Purchasing through this link directly supports EmKay
This product is for…
Runners, cyclists, and multi-sport athletes who want accurate HR data without a chest strap—especially those who've had chafing, comfort, or reliability issues with chest straps. Data-focused athletes tracking effort across long or varied training are the core audience.
Worth noting…
Tattoos can interfere with optical accuracy, and hosts note a lifespan of roughly 24 months. Not suitable where instant HR response at the start of an effort is critical.
