Magene Heart Rate Monitor kids they are available in either

they are available in either 160 or 140 millimetre diameters and are perfectly safe owing to rounded corners that facilitate insertion in the calliper as well

Refined 12-step gear combination provides peak efficiency and accelerating performance

Fine-tune your fit in seconds without stopping

Beam pattern (m) : Round

Magene Heart Rate Monitor kids they are available in eitherHigh Performance, Real time Heart Rate Tracking 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, it provides only the most accurate heart rate data. Split Chest Strap Design Unlike traditional chest strap designs, the H603 adopts a split chest strap design to enhance your product