Features: Advanced EMS-Technology: Stimulate your neck muscles with gentle electrical pulses, mimicking the natural muscle contractions of a professional massage therapist. Portable and Convenient: Lightweight and compact, take your massager anywhere for on-the-go relief whenever you need it. Adjustables Intensitys Levels: Customize your massage experience with multiple intensitys settings, ensuring optimals comfort and effectiveness. Rechargeable: A built-in rechargeable batteries ensures long-lasting performance, while sturdy construction ensuring years of use. Wireless convenience: The completely wireless design allows you to use the massager anywhere - be it the office, home or car. Notice 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: 15.9x15.6x4.1cm Battery capacity: 200mah/lithiums battery Charging time: 40-50 minutes Mode: 10 Levels: 16 Package List: 1x Neck Massager