2 replaceable blades; fit on OneBlade(Pro) handles; last up to 8 months

Accurately monitor your health and wellness at home using the same pulse oximetry technology hospitals rely on. The MightySat is the only fingertip pulse oximeter to measure five key vital signs: oxygen saturation, pulse rate, breathing rate, perfusion index, and pleth variability index. The convenient design fits comfortably over your finger. With its Bluetooth technology, this MightySat fingertip pulse oximeter sends your results directly to your mobile device.