Feature: 1. A total of 5 gears to choose from, which is convenient to meet your different needs. 2. Made of high quality silicone, soft and skin friendly, which is suitable for baby to use. 3. Detachable design make it is easy to clean in all directions, which is more sanitary. 4. Ergonomic design, with perfect radian machine body makes it is comfortable to hold. 5. Prevent backflow and has no peculiar smell, giving babies multiple protections. Specification: Item Type: Baby Nasal Aspirator Body Material: ABS Head Material: Soft silicone Power Supply: 5V Lithium Battery (Included) Battery Capacity: 380mAh Input Current: 80mA or less Power: 4.0W or less Size: Approx. 20 x 4cm / 7.87 x 1.57in Suction Head: Gourd suction head suitable for newborn; Funnel suction head suitable for children over 2 years of age. Maximum Vacuum Suction: 350mmHg (60kpa) Motor Voltage: 3V / DC Working Environment: 16℃ - 35℃, relative humidity within 85% Storage and Transportation Environment: -10 ℃ - 55 ℃, relative humidity within 85% . Package List: 1 x Nasal Aspirator1 x Gourd Replacement Head1 x USB Cable8 x Sponge Balls1 x Manual Note: 1. Please do not throw the machine into water for cleaning.2. Please allow 1‑3mm error due to manual measurement. Thanks for your understanding.3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.