M390 pulse oximeter
- Ergonomic design, build-in silicone mold Better soft fit.
- One-key operation, simple and convenient, easy to use by the elderly, light and easy to carry Monitor family health anytime, anywhere.
- Using imported high-quality MCU chips and high-performance gravity sensors.
- The blood oxygen pulse signal capture is more accurate, and the calculation ability is stronger.
- Free shipping & Fast shipping.