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This is a standalone device. No smartphone is needed and with a Bluetooth connection it syncs all data to a smartphone while showing BPM and EKG wave on a bright screen.
In addition, it has unlimited free storage of EKGs on the Sonohealth mobile App with no fee involved. Users also get multiple leads, hand foot and chest to provide further accuracy with a 30 second EKG duration.
Easy to use and useful to monitor heart rate and rhythm, results can be printed or emailed to your doctor. For additional information or to order from Amazon go here
Need to be very still when using to prevent artifacts (interference)
Poor technical support. No phone number to call.