Konka 6 Speed Intelligent Fascia Gauge Muscle Relaxation Massager With 4 Massage Heads(Upgraded Model Green)1. Closed structure, precision design, strong motor power smooth and stable 2. Large capacity lithium battery, 55mm powerful motor, 9800 rpm high speed shock 3. Frequency conversion dual mode, 6 relaxation gears optional, rapid relief of muscle aches and pains 4. Intelligent control chip, automatic pressure sensitive power adjustment, double shock absorption, the body does not shake, do not shock the hand 5. ABS + alloy material, Non slip, sweat proof