Note: 1. Do not use the battery and USB cable at the same time._x000D_2. The handheld inhaler is not rechargeable._x000D_3. 2 AA batteries or USB interface are required for use. specification: Item Type: Inhaler_x000D_Material: ABS_x000D_Battery Type: Lithium battery_x000D_Battery Capacity: 1500mAh_x000D_(shipped with built in battery)_x000D_Power Supply: USB charging Features: 1HIGH EFFICIENCY: The portable atomizer produces a continuous fine mist with small particles around 2 to 3m. Will not choke. 2SILENT MODE: This is a silent inhaler. The noise is less than 25 DB when working, the child will not be woken up when sleeping. 3AUTO SHUT OFF: The mesh inhaler automatically shuts off after 10 minutes of lack of water or use, no need to worry about damaging the sprayer. 4POCKET SIZE: The inhaler is lightweight and portable, easy to carry in your pocket, handbag, computer bag, and can be used anywhere, anytime. 5USB: This is a inhaler that can be used by both adults and children, with USB charging mode. Convenient and fast. PackageList: 1 x Host 1 x Instruction Manual 1 x USB Cable 1 x Large Face Gurad 1 x Small Face Gurad 1 x Flat Nozzle Head