Mini Mesh Nebulizer with Rechargeable Battery - Small particle sizeMMAD 2.2μm* EfficientLow Residual Liquid ConvenientSmall and Portable Quiet≤50dB (at one meter) ModernRechargeable Lithium Battery Included Main unit Medicine cup Disposable mouthpiece Disposable adult mask Disposable pediatric mask USB cord Carrying bag Instruction manual Specifications Power Input