According to the Dortmund software website, the only difference between keep strawberry bear medals 39 and 59 is the corresponding physical fitness level. Keep Strawberry Bear Medal 39 is an ordinary step-counting medal, which is mainly suitable for step-counting sports, such as walking and jogging. Medal 59 is a kind of senior medal, which needs more exercise for high-intensity fitness programs such as gym, treadmill and equipment exercise.