I purchased this for my child, and we've used it about 20 times. It's in good condition. While there's no box or manual, the dedicated carrying case is included. I recommend purchasing new mouthpieces. Thank you. OMRON compact nebulizer, IP55 waterproof rating for convenient portability. - Brand: OMRON - Included items: Carrying case, mouthpiece, nebulizer cup - Functions: Power button, battery level indicator lamp, charging port - Model name: NE-U20 - Power supply: AC100V, DC3V - Waterproof rating: IP55