superfit 4 0hp foldable electric treadmill jogging machine w bluetooth blackThis foldable treadmill gives you flexibility to workout anytime and anywhere. With ultra wide running area, the treadmill makes you feel like running outdoors. And the 5 layer running belt with remarkable shock absorption and wear resistance effectively protect your knees and muscle. In addition, the maximum peak power of the motor can reach 4. 0HP, which is comparable to the gym standard treadmill. With quick folding design and bottom wheels, the