Product Price Quantity Subtotal × Duo EK Handheld & Wearable ECG Monitor $89.00 Duo EK Handheld & Wearable ECG Monitor quantity $89.00 Coupon: Apply coupon Update cart Cart totals Subtotal $89.00 Shipping Enter your address to view shipping options. Calculate shipping Select a country / region… United States (US) Update Tax $0.00 Total $89.00 Proceed to checkout