1. One-button simple operation, about 8 seconds to measure the result 2. Two-way display, easier to read 3. If there is no measurement response within 8 seconds, it will automatically shut down, environmental protection and power saving 4. Blood oxygen saturation display: 70-99%, +/-2% 5. Pulse rate display: 30-240BPM, +/-1% or +/-1 BPM 6. Power consumption: less than or equal to 30 mA 7. Power mode: 2 AAA batteries (not included)
1. 一键简单操作，约8秒测出结果 2. 双向显示，读数更轻松 3. 8秒内没有测量反应会自动关机，环保省电 4. 血氧饱和度显示：70-99%，+/-2% 5. 脉率显示：30-240BPM，+/-1%或+/-1 BPM 6. 功耗：小于等于30毫安 7. 电源方式：2 节AAA 电池（不包含在内）
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