Features of GROWNSY Nasal Aspirators for baby: 1.This Nose Sucker for Baby comes with 3 Silicone Tips, a User Manual and a Travel Case. 2.The Electric Nose Suction for Baby has 3 modes of suction that can be adjusted. 3.This booger sucker is rechargeable. 1.How to maintain the suction power of the nose sucker? (1)Please check whether you have clean..