1、WIRELESS AND RECHARGEABLE: Neck massager comes with a built in rechargeable battery, allowing you to enjoy a soothing massage without the hassle of wires or cords. 2、MUTI MASSAGE MODES: With 6 different massage modes and 9 adjustable strengths, you can easily customize the massage experience to target your specific neck discomfort. 3、TENS PULSE TECHNOLOGY: The TENS pulse technology used in this massager deeply penetrates the muscles, simulating various massage techniques and providing a comfortable massage experience. 4、HEAT THERAPY: The built in heating function provides gentle warmth to the neck area, helping to further relax the muscles and relieve fatigue and soreness. 5、PORTABLE AND LIGHTWEIGHT: Designed to be compact and lightweight, this rechargeable neck massager is easy to carry and great for use at home, in the office, or while traveling. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin