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Rated voltage: 3.7V. Battery type: polymer lithium battery. Battery capacity: 90mah. Full charge time: 1 hour. Full charge use time: 10 hours. Product size: 4.52.51.5cm. Features: 1. Using dual pulse technology, the breathing rhythm is adjusted through vibration pulses of different frequencies to make breathing easier. 2. Effectively relieve snoring, solve the problem of mild to moderate snoring, let you sleep peacefully, and avoid the harm and trouble caused by snoring. 3. One-button operation, 3 levels of adjustable pulse intensity mild pulse, medium pulse, professional pulse for you to choose, you can choose the pulse intensity that suits you best. 4. The weight of our anti-snoring device is only 12g, which will not cause any burden to you when you wear it. 5. Equipped with a professional-grade patch, it is highly viscous, not easy to fall off, and comfortable to wear, allowing you to use it with confidence. 6. The magnetic charging compartment will automatically absorb the main u