Portable Mesh Nebulizer Rossmax NC200 MMAD ≤4 μm; Fine Particle Dose (FPD): 70-75% Nebulization Rate ≥ 0.30 ml/min Consistent fine particle size for efficient respiratory treatment MESH Technology Noise level lower than 20dB Handheld design (42 x 70 x 117 mm) Mouthpiece for adult and mask for child included Compatible with rechargeable batteries MicroUSB port Mesh Technology Portable, quiet and convenient Rossmax Mesh nebulizer is built with state of the art technology. The Mesh nebulizer uses electricity to vibrate a piezo that moves liquid formulations through a mini aperture plate to generate very fine aerosol medication for respiratory treatment. The battery operation, the portable design and the very quiet performance makes Rossmax Mesh nebulizers very convenient and effective. Efficent Respiratory Utilizing the new technologies to improve the management and treatment of asthma, COPD and other respiratory conditions. With nebulizer systems, patients have the ability to effectively manage and treat their respiratory condition anywhere, anytime. MMAD: 3.12μm Accessories Instruction Manual 2 AA batteries (Alkaline) Mouthpiece Child Mask USB cable Carrying bag 5V USB adapter (optional)