Darwery Heart Rate Monitor Replacement Strap Sensor Soft Chest Strap Buckle Distance 45mm

Soft strap: The chest strap is made of silicone and fiber,It is comfortable to wear and suitable for long time sports use.Convenient for you to replace the old one, great for sports and activities where a wrist unit would be difficult to use.
Adjustable Elastic: Wearing size between 64-107CM. The space of two snap button is about 45mm.
Easy to Clean:The fabric of the strap is soft and breathable.It can be removed and hand-washed as often as needed.
Use：Before wearing, you need to wet the two black electrodes of the elastic chest strap with water. When wearing, you need to make the electrodes touch the skin.
Compatible with:Such as Garmin, Polar, Wahoo, Coospo and more.In order for you to monitor your heart rate effectively, we recommend that you change your chest strap regularly.