NaiCasy

Bluetooth & ANT+: The device supports Bluetooth & ANT+ operation. It can be connected with your app or your bike computer, so convenient.
More Accurate: The principle of our product is utilized by the micro-voltage signal generated by the regular body heart beat, and amplifies the signal to directly compute out the heart rate value. Much more accurate and precise than traditional optical heart rate sensor.
Perfect For Sports: Suitable for different varieties of sports, whether it is outdoor or indoor, cycling, running, jogging, walking and so on.