Vibration Reminder - - When the curvature of your back exceeds 25, an instant vibration alert will be emitted. Until you straighten your back, stop vibration, an effective and natural way to improve your posture in just 2 weeks to make you look healthier and more elegant. Portable neck massager: The portable neck plastic massager is an ideal fitness tool. It make everyone feel comfortable Relief NeckAfter working in the office or playing with your smartphone, your neck is under tremendous pressure. Now, the massage can intelligently relieve your neck, simulate a variety of massages. The portable relief neck instrument can intelligently relieve your pressure, which is suitable for sedentary office workers and bowed heads Ergonomic DesignAdopt ergonomic curved design to fit freely to all parts of the body. The texture is soft and delicate, and the hand feels smooth. Unique u-shaped. You can use it in the car, office, sofa, travel even running Widely Use and Perfect GiftsPortable neck nnstrument for sedentary 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.