1. XFT-iTrain is an APP developed by XFT Company for XFT-2006 Muscle Trainer. This device simulates the current signals that the brain transmits to the muscles, making muscle contract and reflex. By receiving electrical stimulation parameters from iPhone, the device will send electrical stimulation to the body parts to activate muscle movement. You can exercise your muscle when reading, resting, walking or doing housework to achieve body-building and body-shaping. 2. User information: include Name, Age, Height, and Weight;3. Settings: Bluetooth Connecting, Muscle Distribution, About APP, Feedbacks, etc.4. Start training: choose training part and training duration before the training, and the parameters can be adjusted during your training. It records your training when it ends and it can be shared to WeChat or Facebook. User can customize the training plan according to your own needs.