The Beurer chest strap consists of a flexible, adjustable textile band and the really powerful tool that is to cover with snap on tape. Attention! This chest is only an accessory, which means it transmits only the data. One needs an appropriate receiving device for analysis and display. When my husband this receiver is an iPhone 4s. From the App Store, you can download the compatible Runtastic App. Since my husband these already used, he could skip this step. In the settings of the runtastic app simply activate Bluetooth belt with heart rate measurement and the compound is prepared. My husband has now completed several trainings with the belt and is enthusiastic. The belt does not slip, when you turn the app Runtastic the belt is always easily recognized automatically and the heart rate is displayed reliably. Who is runner or runner, an iPhone possesses from 4s and monitor the pulse during exercise made, for the Beurer chest strap is perfect. Buy recommendation.
