Super Small Nebulizer With Vibrating Mesh Technology Fits Discreetly In The Palm Of Your Hand Vibrating Mesh Technology Is Designed To Aerosolize Liquid Medication Into An Ultra Fine Mist For Fast And Efficent Medication Delivery Nebulizer Can Be Charged With The Included Usb Cable And Power Adapter - No Batteries To Replace Two Nebulization Modes: Uniform-nebulization Mode And Micro-wave Mode Medication Cup Can Be Removed For Easy Cleaning Tubeless And Cordless Design Makes Nebulizing Easy And Convenient Wherever You Go Two Masks Included For Use By Children And Adults Small And Lightweight - Weighs Only 3.3 Oz And Measures 4 Long Includes: Portable Mesh Nebulizer Removable Medication Cup Adult Mask Child Mask Mouthpiece Usb Charging Cable Usb Power Adapter Storage/travel Carry Case Power Supply: Dc 3.7v (rechargeable Battery) Power Consumption: Less Than 4.0w Nabulization Rate: 0.15 Ml/min~0.9 Ml/min Medication Cup Capacity: 6 Ml Noise: Less Than Or Equal To 50 Db Operating Cycle: 10 Minutes Battery Life: Up To 70 Minutes Continuous Use Warranty: Nebulizer - 1 Year Mesh Module - 6 Months Accessories - 3 Months