Features : Attach cuff, start, measure - done! The Microlife entry level model BP B2 Basic provides all important features that you need for measuring blood pressure reliably and accurately: 30 data memory for long-term monitoring of your blood pressure levels, IHB* technology for irregular heartbeat detection which might affect your blood pressure values and the new feature cuff fit check ensures that the cuff is correctly placed on your upper arm.*In case of IHB it is recommended to repeat the measurement. If IHB comes up frequently it is recommended to consult your doctor. What is IHB? The IHB technology (IHB = Irregular Heartbeat) detects heart irregularities during blood pressure measurements.If an irregular heartbeat occurs during the measurement, the IHB symbol is displayed.