Ultra Mini Mc88 40mm

AI Overview    +9  The Modio MC88 smartwatch features heart rate monitoring, which is a standard function for smartwatches and likely uses optical sensors (photoplethysmography or PPG) on the back of the watch to detect changes in blood volume with each heartbeat. To use this feature, ensure the watch is worn snugly and correctly on your wrist, clean and dry, and then select the heart rate function on the watch to initiate a reading.