OXIMETER AND PULSIOMETER "FINGERTIP"

Functions:Heart rate monitorBlood oxygenLow battery indicatorEach piece individually (measure 6.7x8.3x3.9cm), Includes user manual in Spanish and English and fastening strap (measure 16cm long) and belt cover. Power supply: 2 AAA batteries (not included).Especially suitable for people with:Heart failure, lung diseases, asthma, etc.Suitable for high-altitude sports (for example, mountaineering, skiing, and aviation sports)