https://store.cosinuss.com/products/one-black
Price: €129.00
Description:
The cosinuss° One is a lightweight-champion and wireless in-ear heart rate monitor. The °One is a first-in-class wearable to additionally monitor heart rate and body temperature during activity.
- convenient to wear
- not falling out
- impermeable to splash-water
- highly accurate measurement of your vital signs
- award-winning design