1. The soft silicone material will not hurt our noses 2. Double vortex air supply technology, so that breathing is not obstructed and sleep is more comfortable 3. Ergonomic design, comfortable to wear 4. Built-in 200 mAh lithium battery, battery life is about 6-8 hours 5. It is recommended to use continuously for 1-2 weeks as the observation period 6. Suitable for people who snore or have difficulty breathing during sleep and people who sleep with habitual mouth opening 7. Material: ABS+silicone 8. Dimensions: 6.5 x 4 x 2.5 cm 9. Rated voltage: 3.7V 10. Charging voltage: DC 5V 11. Power: 1W
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