soozier gazelle glider air walker exercise machine elliptical trainer with four resistance levels lcd monitor heart rate sensor two wheelsThe Soozier Fitness Air Walker offers a fantastic cardiovascular workout while being gentle on your knees, ankles, and joints. Its dual action arms provide an upper body workout simultaneously. With a 360 degree free range of motion, this leg exercise machine allows you to stretch your leg muscles and target your hamstrings, enhancing flexibility and effectiveness. The included monitor provides a comprehensive analysis of your activity, giving you