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1.Suitable for people over 6 years old to conduct cardiopulmonary function tests, it is used for evaluating cardiopulmonary function under different exercise loads;
2. Comprehensive functions, precise testing, and easy operation;
3. High-level, manual and fully automatic one-click calibration;
4. Remote measurement of blood pressure, blood oxygen and gas analysis, automatic analysis, and rapid assessment;
5. Bidirectional anti-cross-infection sensor and specially designed comfortable mask, with small dead space and resistance, high accuracy and low usage cost.