Features: Strong & Safe Suction: 3 levels of suction(50Kpa-60Kpa) can be adjusted, which can resolve almost all kinds of snot, and accord the tested safety suction standards to avoid damage baby's delicate nasal mucosa. With 3 Suction Tips: Comes with 3 different silicone suction tips, suitable for babies of different ages and different conditions. Smooth and comfortable suction, doesn't hurt baby's nasal mucosa. Low Noise Working: Adopts high-quality motor to ensure low noise working, and is equipped with soothing music to soothe babies who are sensitive and agitated to electric objects, and with LED light to help you find the nostrils at night. Built-in Rechargeable Battery: Built-in 680mAh lithium battery, long battery life ensure it's available anytime when you need it, and can be recharged via the USB charging cable.(Note: The nose sucker will not work while charging.) Easy to Clean: The air tank has been separated from the air inlet of the machine to prevent backflow. Storage cup and suction tip can be detached and washed in the hot water, easy to clean. Specifications: Working Voltage: 5V Power: Max. 2W Suction Level: 3 levels Battery Capacity: 680mAh Item Size: 18 * 5 * 5cm/ 7.1 * 2 * 2in Item Weight: 160g/ 5.6oz Note: To prevent prolonged snuffling, the switch uses electricity dynamic design, need to hold down the switch to work. Packing List: 1 * Nose Sucker 3 * Suction Tips 1 * USB Charging Cable 1 * Users Manual(English)