Features 1、USB rechargeable, made of silicone material, odorless, extremely soft and comfortable. 2、Suitable for different size of nasal passage, scientifically designed to maximize airflow through the nasal passage and effectively relieve snoring. 3、Built-in -blowers are completely contained in anti-snoring devices, so there is no need for external air hoses. Specification The anti snoring device is inserted into your nose and help you breathe through your nose. It is an anti-snoring aid that is used to dilate your nostrils, and in turn, help you breathe more soundly as you sleep, reduce nasal congestion and blockage as you sleep. Features: USB rechargeable, made of silicone material, odorless, extremely soft and comfortable. Suitable for different size of nasal passage, scientifically designed to maximize airflow through the nasal passage and effectively relieve snoring. Built-in micro-blowers are completely contained in anti-snoring devices, so there is no need for external air hoses. Built-in PM2.5 air purifier, purify air and makes breathing easier. Simply insert the vent into the nostril and it will work, no need for long list of directions and easy to take down. Specifications: Material: ABS + Silicone Color: Red, Blue, White (optional) Item Size: 75 * 65 * 35mm / 2.95 * 2.56 * 1.38in Item Weight: 46g / 1.62ounces Package List: 1 * Anti Snoring Electronic Device 1 * USB Cable 1 * User Manual Package List 1 * Anti Snoring Electronic Device 1 * USB Cable 1 * User Manual