價格：免費
更新日期：2017-07-17
檔案大小：32 MB
目前版本：27
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
The PrO2™ - pronounced "pro two" - is the first mobile device to offer a proven inspiratory muscle training (IMT) workout.
PrO2™ uses simple, resisted breath-training exercises personalized to your capability.
After training with our system, everything from walking up stairs to running an ultra-marathon will be easier.
支援平台：iPhone, iPad