GROWNSY Nasal Aspirator for Baby, Electric Nose Aspirator for Toddler, Baby Nose Sucker, Automatic Nose Cleaner with 3 Silicone Tips, Adjustable Suction Level, Music and Light Soothing Function

5.How to maintain the device? (1)If liquid enter machine, remove storage chamber then run the machine for 5-10 minutes to drain liquid entered the motor, then wipe away stains. This will clear out the liquid inside the pump, to keep device last longer. (2)To keep the battery healthy, charge the battery to 100% every two months if you do not need to use it for a long time. 6.How to prevent damage to the device? (1)The device is designed for operated by adults. Keep it out reach of child to avoid them accidentally broken the device body like buttons, plastic housing etc. (2)Please follow user manual to assemble the product correctly, wrong assemble method will damage the device.