Features: Intelligent stop snoring,the anti-snoring device automatically detects snoring through highly accurate sensors and massages the sublingual nerve and jaw muscle group with different frequency vibration-pulses, thus regulating the breathing rhythm and allowing you to breathe-smoothly to stop snoring. Comfortable-to wear,the design of the anti-snoring devices is ergonomically designed and comfortable-to wear. the adjustable elastic cord makes it suitable for everyone and ensures that it does not fall off easily during use. Easy to use,there is only-one on/off-button, just turn-on the device and put it on to start working automatically, without any additional human operation during use. Multi-function,it can effectively prevent snoring, which further helps to improve the health-problems introduced by snoring, such as poor breathing, cardiovascular diseases, memory loss, and so on. Suitable for all-occasions,the anti-snoring device is completely silent during use, compact-and portable. in addition to using it at home, it is also for use in the-office, on planes, in-cars, and on high-speed trains and trains. Specifications: Material:ABS Gear:6 Gear Voltage:3.7V Package Includes: 1 Piece Smart Anti Snoring Device note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.