什么是 Breath Count？
A breathing trainer that counts out loud so you can train eyes closed. CO₂ & O₂ tables + custom timer. No app, no login, works offline.
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去 X 发帖A breathing trainer that counts out loud so you can train eyes closed. CO₂ & O₂ tables + custom timer. No app, no login, works offline.
还没有评论，来抢沙发吧！
X 上关于 Breath Count 的真实讨论
去 X 发帖