Polar WearLink® + Bluetooth Set M-XXL 92043574 Heart Rate Monitor

This heart rate sensor with wireless Bluetooth® technology (2.0 ) captures your heart rate and transmits the data to a compatible mobile phone training app. The comfortable elastic strap is designed to fit perfectly to the shape of your body to allow you full freedom of movement while training. With side fastenings, the electrode belt is easy to get on an off. (The HF sensor set with Bluetooth is not compatible with Polar training computers!).