2024 Upgraded Adjustable Resistance Stepper: ACFITI mini stepper is the newest model for 2024 and features a unique 10-level adjustable resistance for home fitness. Gears 1 to 3 are good for lose fat, 4 to 7 for improve enduranceg, and 8 to 10 for strengthen muscles, whatever the purpose of your exercise, you can easily do it with this mini stepper(Gear-10 is to lock the pedal). Exclusive Patent-Air-Powered Resistance System:ACFITI mini stepper is the first to incorporate an innovative air-powered resistance system, holding a unique patent. Unlike traditional pulley steppers, this provides a more intense and effective workout. Additionally, the air-powered system enhances durability, ensuring longevity and sustained performance. This upgrade makes it always perform better than other home steppers. Twist Steppers For Exercise: Compared with other steppers in the market, our twist stepper can allow you to twist the waist at the same time, making your whole body movement larger. This resistance band can be removed at any time. 10 Minutes to Burn Fat Fast: We are proud of the fact that through surveys, and thousands of our friends have reported that they sweat/burn fat in about 10 minutes on this treadmill! Extremely Stability & 350LBS Weight Capacity: The loading structure of this stair stepper is made of 3.0mm extra thickened steel, which ensures absolute stability to protect you from accidental falls, this also gives this mini stepper a maximum load-bearing capacity of 350 pounds, which is suitable for all weight groups. 10DB Super Quiet and No Oil Leakage :ACFITI stair stepper utilizes the industry's quietest dual hydraulic cylinder as its resistance source, which makes it much more labor-saving and quieter (Less than 10DB) compared with other pulley-drive steppers. And the perfect sealing design makes it no oil leakage. Ready To Use & Compact In Size:The size of this stepper is 13.3 inches * 11.4 inches, and only requires a footprint of 0.95FT².It's 100% pre-assembled, so when you receive it, you can skip the hassle of installing it, all you need to do is open the box and enjoy the sport! Perfect Service Promise: We promise to provide 365 days service for ACFITI steppers. If there is any problem with the product, we accept unconditionally free returns or exchanges. Please don't hesitate to contact us if you need help, and we will reply to your message within 12 hours.