Dr. Cardio is one of the best 12-channel portable ecg machine providers at affordable prices. It is a unique product since it is reasonably priced, easy to handle, has a long battery life, and requires zero maintenance. The ECG has a switch, cable connector, battery point, Bluetooth LED, and a reset key. Due to its easy functionality, even a layman can operate the device without hassle. A 12 channel portable ECG machine is a medical device used for recording and analyzing the electrical activity of the heart. It is designed to be compact and portable, allowing for convenient use in various settings, such as clinics, hospitals, ambulances, and even at home.