Description Color: Black Specifications 5-Level Deep Impact Therapy – Customizable intensity, from gentle soothing to professional recovery Professional Joint Massage Head – Precisely massages stiff muscles and painful joints Scientifically Proven: 40% Faster Pain Relief – Clinically proven to accelerate recovery from post-exercise muscle soreness (DOMS) 62% Reduced Jaw Tension – Significantly reduces temporomandibular joint pain and headaches 3.2x Increased Flexibility – Improves spinal mobility and posture with long-term use Perfect for: • Athletes and fitness enthusiasts – Train harder, recover faster • Office workers – Relieve stiffness from prolonged sitting • Neck pain sufferers – Relieve neck tension and improve mobility Reviews: 1. Manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to differences between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. SKU color is the color of the product packaging. Package includes: 1 * Roller Massager