Electronic Stethoscope AM-ETA11 Abimed electronic stethoscope features a heart rate range of 30-300 bpm, a SpO2 range of 0–100% (1% resolution), and a pulse rate range of 30-250 bpm. Sensor modes include heart (20–230 Hz), lung (100–800 Hz), and both (20–800 Hz). It boasts low power consumption for long-term use.