Product descriptionproduct material: ABS, siliconeBattery capacity: 1000MAHMaximum power: 5WColor: white, pink, red1. AS COMFORTABLE AS A HOT TOWEL :Neck Massager Built-in new thermostat, 107 Fahrenheit warmly penetrates neck skin, deeply relaxes neck muscles.2. CERVICAL SPINE MASSAGE EFFECT IS REMARKABLE : Neck Massager pulse electric frequency is transmitted to deep skin,and a variety of simulation massages are simulated to achieve deep relaxation of cervical spine.3. LEVELS OF INTENSITY TO RELIEVE NECK PAIN : Keep pressing the button for seconds to start massage modes, and easy operation. The skin-friendly, breathable soft silicone material makes the carotid artery pressure-free. U-shaped neck wraps closer to the skin fit neck size and neck curve of different people.4. LIGHT AND THIN TO WEAR COMFORTABLY Say goodbye to the bulky neck massager, he weighs only 160 g, and has a large-capacity battery. It is compatible with USB charging for 1hours, and can be used for 20 minutes per day, which can work last 6 days,The neck massager is equipped with a 15-minute auto-off function to ensure you a safe massage experience.5. SAFE TO USE : This neck massager uses low frequency electric pulse therapy. Do not use when implantation of pacemakers or carrying metal in the body is prohibited,When you use it for the first time, you may feel an electric shock, which is normal. Long-term use is better.