1.Why the nasal aspirator is not working? (1)Please check whether you have installed the suction chamber correctly. Twist the chamber clockwise till hear a click to make sure it fits tightly. (2)Please check whether the sealant rubber ring around the suction chamber base works well. Fit it tightly before screwing the suction set into the suction port. (3)Please don’t wash the machine's main body. The body is not waterproof. 2.Why your aspirator can’t be turned on after charge? Or how to charge your device correctly? (1)Please make sure you are using a 5V adapter to charge the device, voltage over 5V can NOT charge the device. (2)The nasal aspirator can NOT be turned on while charging. 3.How to maintain the suction power of the nose sucker? (1)Please check whether you have cleaned and dried the suction chamber after each use. Leftover mucus or liquid might block the airflow of the aspirator and cause weak suction. (2)It is recommended to soften dry nasal mucus with saline water for 30 seconds to 1 minute before using this product for nasal mucus suction. Since the aspirator can not suck out dry or hard booger directly. (3)Please choose the appropriate gear for different congestion situations or according to the baby’s age. If you think the suction is not strong enough, please choose higher gear. 4. How to prevent damage to the device? (1)The device is designed for operation by adults. Keep it out of reach of children to avoid them accidentally breaking the device body like buttons, plastic housing, etc. (2)Please follow the user manual to assemble the product correctly, the wrong assembly method will damage the device. 
 
USB RECHARGEABLE: The rechargeable baby nose suction can be used for 30 days after being fully charged. This lightweight baby nose cleaner comes with a storage case, it allows you to pack the aspirator and tips neatly or take it on any trip. Please use 5V Adapter.
- SAFETY AND COMFORT: GROWNSY baby nose sucker is equipped with 3 tips from food-grade silicone, the soft and flexible material ensures it is gentle on your baby's sensitive inner surfaces of the little noses.
- WORK EFFECTIVELY: The baby nasal aspirator is designed with 3 adjustable level suction, which makes it easy and effective to clear fluid or mucus withinthe nose of your baby. An ideal choice for newborn essentials.
- INNOVATIVE DESIGN: We especially adopted light and music soothing function on the electric booger sucker, and with lower noise, which will make your baby enjoy this nose cleaning and make the cleaning progress easier and quicker.
- SIMPLE TO USE AND CLEAN: The ergonomic shape and LCD display make the baby aspirator easy to use. The parts of the baby nose suction are transparent and removable, it's easily cleaned by rinsing in warm soapy water.