The kraftwunder training system based on modulated middle frequency makes use of the effects of body-specific impulses. Thanks to this highly developed technology - Made in Germany - the muscles are addressed in a particularly deep and natural way.

The kraftwunder training is suitable for improving fitness as well as for weight reduction and offers gentle joint and back training. In addition, it supports recreational and professional athletes with targeted muscle building.

Permissions
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The app can use the permissions only after the user has granted them. Training is also possible if the optional permissions are not granted.

kraftwunder for Android needs access to those categories:
• "Location" to discover kraftwunder EMS bluetooth devices.
• "Camera" to scan QR codes.
• "Other" to connect to kraftwunder EMS bluetooth devices, synchronize user data between user's end devices, scan QR codes, prevent the phone/tablet from going to sleep.

Permission Details:
• It needs "approximate location (network-based)" and "precise location (GPS and network-based)" in order to establish the first connection with a Kraftwunder EMS bluetooth device. Once the device is known, the app can connect without a location.
• It needs "pair with Bluetooth devices" and "access Bluetooth settings" to communicate with Kraftwunder EMS bluetooth devices.
• It needs "prevent device from sleeping" to allows the app to prevent the phone from going to sleep during training.
• Optionally, "Record pictures and videos" and "control flashlight" is required to photograph license QR codes.
• Optionally, "view network connections" and "full network access" to synchronize user data between user's end devices.