Welso 330 Treadmill -. highlights:. Foldable. ◦◦ 45" x 18"tread belt. ◦◦ Cushioning device. ◦◦ 2.25 hp electric motor. ◦ Digital rate control. ◦◦ Slope of as much as 10 %. ◦◦ Get in touch with rhythm sensor. ◦◦ Cooling fan.