BHBreathHoldingRecord

This App is only designed for diving enthusiasts and is mainly used for diving tests and performance records.
Notes:1. Holding your breath is dangerous, so please do it under the guidance of an experienced trainer. This App cannot develop training content and plans for you, it is just an auxiliary tool for timing and saving test data. 2. Please lie flat on the bed for training and testing, and do not train in the water without a partner. 3. Please arrange training reasonably according to your own conditions and act according to your ability. This App is not responsible for anything that happens during the training and testing process