HoMedics DK Technology employs a microphone in the arm cuff to actually listen to your heartbeat like your doctor does when taking a reading. By using both pressure and sound, the BPA-300 is able to measure your blood pressure with the ultimate accuracy.
In addition to blood pressure and pulse measurements, the HoMedics BPA-300 includes an irregular heartbeat detector that alerts you when an irregular heartbeat is detected. Best of all, the HoMedics BPA-300 gives you all of these measurements with one-touch operation. Search all the options on eBay for great deals on great monitors today!