â—† Professional brushless motor for efficient muscle relaxation The high-speed and high-torque brushless motor can generate max force of 570mN* and frequencey of up to 3,200 rpm*, which can help the massage gun reach 10mm-deep muscle tissue to quickly relax muscle tightness and deep fascia, and relieve muscle soreness after exercise. Intelligent power control for stable power output Xiaomi Massage Gun can provide constant stable power output under external pressure. Power remains stable even under strong external pressure. Accurate detects applied pressure 25 times per second, and gives real-time feedback with the “pressure indicator”, so that you can be assured each percussion is perfect and precise for your body.Ultra quiet operation for peaceful relaxationLow-noise brushless motor plus noise reduction technology make Xiaomi Massage Gun extra quiet for a peaceful relaxation of your body and mind. 45 dB(A)