Meet FLOW: a smart wearable device that serves as a breathing sensor and heart rate monitor. It gives you insight into the air flowing in your body and breathing pattern. Athletes can wear this as a chest band to get real-time feedback.
FLOW detects your ventilatory threshold. It works with Garmin Connect and STRAVA. It works with iOS and Android devices. The device is waterproof up to 1 meter for 30 minutes. Yet another interesting Kickstarter project.