Description: Durable. The inhaler made of ABS Plastic PC material,durable.low water level reminder: the capacity of the cup is 0.5ml~0.8ml. Two Modes. Two atomization modes,mask atomization and mouthpiece atomization, suitable for all ages people, kids and adults. Rechargable. USB charging, inclined sink design to reduce waste. Handheld. The steam inhaler is handheld, portable, low noize, button operation, easy and convenient to use. Wide Used. Suitable for home office travel business,etc. Specification: 1. Ultrasonic oscillation frequency: 110 KHz+10% 2. Atomization rate: ≥0.2ml jmin 3. Water temperature of sprayer water tank: S60C 4. Machine noise: S50 decibels (A) 5. Low water level prompt: The red light will prompt shutdown after 2~3 seconds. 6. Timed shutdown: 25 minutes + 10% 7. Medicine cup capacity: 0 5ml~8ml 8. Liquid residual amount: S0.5ml 9. Spray particle size: mmd (laser method): 5μm t 25% 10. Power supply: 3.7V 500 mAh lithium battery, charging: 5V/1A adapter, charging current s 250 mA 11. Working current: s300mA 12. Quiescent current: