Comfortable to Wear】The wristband is adjustable so that you could tighten it properly. The silicone finger sensor unit is soft and comfy, so it won't interfere with your sleep.
【Better Pace Yourself】When the real-time Oxygen/heart rate is out of range and lasts for 30s, the indicator light will light up and notify you, allowing you to adjust your performance in time.
【Built in Memory】It has long internal memory. You can view history for very long periods. The Monitor Device and Base Station transmit wirelessly with low energy and an open-air distance up to 9m.
【User Friendly & Data Privacy】It eliminates the mismatch problem between models, convenient for the elderly and those who are not good at using electronic devices. And it stores accurate data only offline, so information is not leaked.
