With the quick touch of a button or use the easy-access handlebar controls you can adjust speed from 0.8-12km/h to manipulate workout intensity and reach your goals with pre-set 12 programs. Features with 5″ led display . this treadmill provides better watching experience. It shows speed . time . distance . calories and heart rate. 15.75″ x 43.3″ anti-slip lawn texture rubber running belt provides more comfortable and more stable workout experience. Made from 16 gauge heavy-duty steel . the capacity of this treadmill is up to 240lbs . as far as possible to meet your needs. Easy folding mechanism help you free up floor space by folding your treadmill up. Premium vacuum motor reduces noise while running indoor and fitted base rolling wheels on the treadmill underside provide easy and simple transport that protect your floors. Stay motivated during your workout by listening to your favorite playlist while running through the built-in dual speakers when the treadmill is on . you could press 3 . 6 . 9 buttons to change the speed directly. Usb for speaker input only . nor for charging