This is the first pay-as-you-go nebulizer on the market for customized treatment demand, applying Micro USB connectors to organize distinct components to operate independently or as a complete system, including Bluetooth and rechargeable battery. The mesh module design enables hand-free operation, comfortable for long time / night treatment. The teddy bear-like ID design provides trustworthy companion for child patients and the optional parts are easily combined for function enhancement, complying with our brand value “intuitive usability.”