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. the fabric band fits perfectly to the shape of your body, giving full freedom of movement during training. thanks to the mechanism hook the transmitter is worn and removed very easily. - very low battery consumption - the battery can be replaced separately - washable band - waterproof. 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. not compatible with real software. not compatible with console supercrono forte ant+, arion digital ant+, qubo digital ant+. 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