The Bowflex Max Trainer M9 Main Engine is a large, black elliptical machine designed for cardio training. With 7 programs and 4 user profiles, it offers a variety of workout options for individuals of all fitness levels. This home gym equipment from Nautilus, Inc. features heart rate controlled programs, Bluetooth connectivity, a bottle holder, and a heart rate monitor. The metal construction ensures durability, while the unisex design makes it suitable for both men and women. Whether you are looking to improve your cardiovascular fitness or simply add some variety to your workout routine, the Bowflex Max Trainer M9 is a versatile and effective piece of sporting goods.