Medical-grade deep tissue massage equipped with three specialized massage heads (fork-shaped/mushroom/conical) precisely covering areas such as the neck, spine, and Achilles tendon, alleviating muscle stiffness and post-exercise soreness (with detailed muscle group usage manual). Smart heat therapy and five-speed adjustment. Two constant temperature settings at 38°C and 42°C for promoting blood circulation, five speed levels ranging from 1800 to 3200 RPM suitable for different pain tolerances, and automatic shut-off after 10 minutes to prevent overuse. Type-C fast charging and long battery life. A 1100mAh battery supports full charge within 3 hours, providing up to 60 minutes of use per charge; breathing light indication during charging and low