The E2i is equipped with the patented CoreBalance Technology to ensure your training motion is symmetrical and to keep you free from injury. The crosstrainer has a stunning 20 resistance levels and 21 programs to train with. The LifeSpan Bluetooth 4.0/ANT+ Heart Rate Monitor with chest strap is included. The innovative CoreBalance Technology ensures a joint-gentle workout Get in shape with the E2i Elliptical Crosstrainer. With as much as 20 resistance levels and 20 incline levels, you seriously