Advanced Percussion Technology: Experience deep tissue massage with a high-performance brushless motor that penetrates muscles up to 12mm depth, effectively alleviating fatigue and pain with a durable metal housing for enhanced longevity. Innovative Hot and Cold Therapy: Equipped with a unique massage head that heats up to 50 °F and cools down to 13 °F, this massage gun offers versatile treatment options for enhanced muscle relaxation and effective stress relief. Adjustable Intensity and Extended Motor Life: Choose from 5 speeds ranging to target various muscle groups for tailored relief, with a brushless motor that significantly outlasts conventional brush motors, ensuring reliability and efficiency. Ultra-Quiet Operation with Ergonomic Design: Designed for athletes and active individuals, this ultra-silent muscle massage gun operates at a low noise level of 45 dB, providing a peaceful and effective massage experience with ergonomic comfort. Relieve Muscle Fatigue and Soreness: Ideal for office workers or athletes, this massage gun uses high-frequency vibrations to stimulate muscles, promoting blood circulation and accelerating lactic acid metabolism. It effectively reduces muscle tension and soreness, aiding in quick recovery and physical relief Battery capacity: 2000mAh Rated power: 20W Product gear: 5 gears Colour:black Material:ABS Package Contents: 1 * Storage box 1 * T-shaped head 1 * conical head 1 * U-shaped head 1 * ball head 1 * hot and cold head Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.