There are plenty of fitness trackers that can help you measure your heart rate. The FLOW takes it to the next level. It gives you direct insight into the air flowing into your body and breathing pattern. FLOW can measure heart rate, HRV, ventilatory threshold, and flow (liters/min).
You can connects to your smartphone via Bluetooth. The device has a waterproof rating of 7.
ID, "coolwearable-20"); ?>*Disclaimer*Our articles may contain affiliate links. As an Amazon Associate we earn from qualifying purchases. Please read our disclaimer on how we fund this site.