Specifications: Condition: Brand New Material: ABS Color: Gray Power supply mode: Battery powered (AAA battery not included) Features: Perfectly fit your neck curve, practical to provide instant gentle care with wider coverage. EMS\/TENS Therapy: Provide micro-current pulse massage, stimulate blood circulation, improve muscle performance, effectively help relieve pain and fatigue in different parts of the body, while enjoying neck massage. Constant temperature, promote blood circulation, relieve tired muscles, and completely relieve soreness. Easy Operation: You can easily turn on\/off the power, adjust the intensity, select the mode and enjoy the heat compress by pressing the buttons of the operation panel, quick access to custom fit, easy and user-friendly. Customized Massage Fit, easily adjusted according to your needs through direct button control. Automatic shutdown function, automatic shutdown after 15 minutes of operation, energy saving and safety. The silent design can effectively reduce the working noise, allowing you to fully immerse yourself in the enjoyment without disturbing others. Lightweight and portable design allows you to take it with you at home, in the office, or even on travel, for a relaxing massage enjoyment and daily neck care anytime, anywhere. Package Included: 1pc x Neck Massager