Utilizing advanced ECG processing circuits, the H603 directly extracts heart rate data from your ECG waveform using its self-researched algorithm. By eliminating noise interference caused by movement and sweating.
Premium fine knit tee for maximum comfort and soft feel
Combining classic Fox style with supreme comfort, the Fox Head Premium Tee is lightweight and soft and features side-seam construction to help keep its shape no matter how many times you wash it.
