1、Advanced Technology: Utilizes micro porous MESH technology to produce fine and cool mist. Quiet operation, almost noiseless, with noise levels as low as 25 decibels. 2、Portable Design: The mesh atomizer machine features a mini design that fits easily in your pocket, handbag, computer bag, and can be used anytime, anywhere. 3、Efficient: Handheld steam inhaler creates fine atomization, better absorption of small particles, atomized particles are 1‑4μm, and the delivery efficiency is higher. 4、2 Power Sources: The handheld atomizer is convenient for home travel, using 2 alkaline batteries (AA batteries not included) or using a USB power extension cord. 5、Scope of Application: This handheld atomization machine is suitable for adults, children and all ages. Housewives can also use it for beauty. Item Type: Handheld Atomizer Material: ABS Voltage: 5V Current: 1A Power: 1.5W Battery: 2 x AA Batteries (Not Included) Oscillation Frequency: 108KHz±10%. Coagulation Rate: ≥0.2ml/min Atomized Particles: ≤4μm Capacity: Up to 8ml Working Conditions: Temperature: +5℃-+40℃ Relative Humidity: <93%RH Non Condensing Storage and Transportation Conditions: Temperature: -20℃-+50℃ Relative Humidity: <93% Non Condensing Gross Weight: Approx. 180g/6.3oz 1 x Handheld Atomizer 2 x Mask 1 x Nozzle 1 x USB Power Cord 1 x Instruction Manual