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Experience Dynamic S-Shaped Traction that lifts up and down and twists side-to-side with a 26° ergonomic swing — designed to match your natural lumbar curve and release deep-seated tension. Choose from 3 Heat Levels for powerful hot compression that melts stiffness and improves circulation. Low-frequency EMS pulse technology — 10 adjustable intensity levels that reach 3–5 cm under the skin to unblock pain points and relax the waist. Activate Vibration Mode for soothing, muscle-relaxing comfort, or switch to Side Twisting Mode to stretch your lumbar just like professional spine therapy! Laser Key and EMS Key, you get targeted waistline activation and advanced muscle stimulation right at home. Comes with Smart Auto-Shutoff, Overheat Protection, and an Emergency Stop Button — making it safe for seniors, office workers, and anyone dealing with lumbar fatigue.