The Elite heart rate uses last generation wireless ANT+ and Bluetooth® Smart to synchronize your heart rate to the Elite My E-Training App and to all the compatible apps without the need of an adapter for your smartphone/tablet. Compatible Systems: - Compatible with iPhone 4s version and higher - Compatible with iPad 3 version and higher - Compatible with iPod Touch 5th generation and higher - Compatible with all the Android phones/tablets with 4.3 OS and higher and with 4.0 Bluetooth version - Compatible with all Bluetooth Smart Ready devices - Not compatible with Real Software. - Not compatible with console Supercrono Forte ANT+, Arion Digital ANT+, Qubo Digital ANT+. - Compatible with all the Elite home trainer only if used with My E-Training app or others app/software/ devices that support the Bluetooth Smart protocol - Replaceable battery and washable band