Elevate your home workouts with the Sunny Health & Fitness Smart Foldable Stair Climber - combining powerful stepping motion, smart tracking, and a foldable design in one machine. With no built-in resistance, this stepper relies on your body weight for a challenging, low-impact workout that strengthens muscles and improves balance. The adjustable handlebar offers four height settings and a step height range of 8.9 to 23.5 inches. The stair climber supports up to 330 lbs and features a built-in device holder with a secure clip keeps your phone or tablet in place. Connect via Bluetooth to the free SunnyFit app for access to over 1,000 workouts and real-time tracking, or monitor your progress on the Lcd display with metrics like time, calories, and pulse.