IRONMAN Triathlon X-Class 410 Smart Technology Recumbent Bike with Bluetooth, Air Soft Seat and Adjustable Backrest 350 lbs weight capacity; User height range 5'2" to 6'4" 32 levels of smooth Magnetic Tension resistance;12 Computer pre-set Workout Programs Adjustable backrest with air lumbar support to help reduce lower back strain and stress Air Soft Seat Technology where the seat has individual air chambers for maximum comfort Compatible IRONSTRONG Fitness Pro Apps included; BONUS equipment mat included