This is a Brand new nasal aspirator for infant babies. Used for sucking the mucus out of a infants nose. Self contained and rechargeable, plays a little "choo choo" song while in operation to calm your infant down. item is NOT water proof so do not dunk it. Due to the sanitary nature of this item it is NOT returnable if has been used, as it cannot be sold as brand new. So please make sure it is the correct item that you want. Do your research before ordering. Please message me with your questions before buying. Thank you. All sales final