- Adjustable Power Twister allow different resistance strength by rotating the knob left or right
- One button adjustment intensity
- Easily adjust 1-25 level resistance, gradually increase resistance to achieve muscle strengthening
- Three-function LCD display-monitor your times and calories, muscle training
- Reduce arm fat, abdominal fat, and increase the gathering effect of the chest
- Perfect for reducing fat and weight and increase strength training
- The unique golden ratio triangle structure, make the arm trainer more load-bearing capacity, always keep it in a stable state