RELIEVE MUSCLE PAIN & RELEASE FATIGUE The two soft yet firm silicone balls can help loosen up the tense muscles by focusing on the main pressure trigger points. You can press, squeeze and knead to release your tight, stiff and aching muscles on your neck, shoulder or leg2. REDUCE STRESS & TENSIONS This neck massager can help improve your blood circulation to release your fatigue and improve your sleeping quality to maintain good body energy. It can also help relieve your headaches or migraines and promotes healing from sprains or arthritis suffers.3. LIGHTWEIGHT & PORTABLE you can start enjoying your own customized personal deep tissue massage no matter at home, in your car, on business trip or on travel. You will feel refreshed and relaxed after just five minutes treatment.4.ERGONOMIC HANDLE & DUAL HEAD DESIGN the ergonomic handle design make it easy for handling and controlling a comfortable massage direction & intensity. The dual trigger point massager balls are designed to feel like a massage therapists hands for deep penetrating the muscles for instant pain relief