Features: Strong & Safe Suction: 3 levels of suction can be adjusted(Gentle-Normal-Strong), 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. It is highly recommend using a Saline Snot Spray to soften stubborn boogies. Then wait for 30s to 1min, and suck away with our electric nasal aspirator. 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. Built-in Rechargeable Battery: Built-in 500mAh 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 snot 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. Just open the mucus collection cup and rinse with hot soapy water. Easy to clean and safe to use. Specifications: Battery Capacity: 3.7V 500mAh Charging Voltage: 5V Suction Level: max. 65kPa Item Size: 19.5 * 4 * 3.7cm/ 7.7 * 1.6 * 1.5in Item Weight: 160g/ 5.6oz Packing List: 1 * Nose Sucker 3 * Suction Tips 1 * USB Charging Cable 1 * Carry Box