?USB Rechargeable & Easy to Take?:Joyhicare nasal aspirator for baby has a USB charging interface, no matter at any time or in any scene, to deal with emergencies, you can easily have a full battery in a short time, which is more environmentally friendly and convenient. And it has a built-in 500mAh super-capacity rechargeable lithium battery for very long battery life. ?Anti-Backflow Design?: The most prominent advantage of Joyhicare nasal aspirator is that it can truly Anti-Backflow and has global patents. When the sensing electrode senses the liquid, it will automatically trigger the flashing reminder of the "faucet" icon in the display, and block the current, completely solving the problem of bacterial infection caused by backflow. ?Easy to Clean?BPA and Latex free. This nose cleaner comes with 4 independent A+ food-grade silicone suction tips, the tips and the snot storage tank can be boiled and sterilized at high temperature. ?Safety and Hygien?Joyhicare baby nose sucker high-end adopts an intelligent pulse-type suction adjustment method, which effectively solves the problem of accidentally injuring your baby's nasal mucosa due to excessive suction, allowing your baby to spend comfortably in the process of inhaling the nose. ✓Strong Suction? The strong suction of Joyhicare baby nasal aspirator can reach up to 65Kpa. There 3 modes of suction can be adjusted, which can resolve almost all kinds of snot. (For stubborn boogers and mucus, soften with saline snot spray first, please wait for about 1 minute, then suck away with this baby electric nasal aspirator ).