RELIEVE SORE MUSCLES AND PAIN MASSAGER: Back Massager Powerful deep kneading Shiatsu massage nodes can relax and relieve pain in your neck, upper back, lower back, shoulders, waist, tights, calves, feet, legs and arms, the back massager helps you release stress, relieve sore and tight muscles and relieve your whole body ADJUSTABLE DIRECTION BACK MASSAGER: The back massager 3 adjustable speeds can be chosen, which allows you to get the right amount of pressure to relieve your muscle pain. Neck massager with optional heat setting, warm heating helps to further relax your muscles (Note: If your skin is thinner, place a towel between the body part and the massager to get a gentler massage) 2 MASSAGE DIRECTIONS NECK MASSAGER: Shoulder massager with built-in two-way motion control to mimic the movement of in-person massage experience, the shiatsu massager will automatically reverse every minute for better distribution of massage effects and to provide complete relaxation PERFECT GIFT BACK MASSAGER: A relaxation gift for dad, mom, women, men, wife, husband and all your loved ones; it is the perfect gift for any holiday, birthday, anniversary or other special occasion. The back massager comes with a power adapter that can work on both 100V-240V and a DC adapter for the car