Product Features Wearable Breast Pump: This hands-free electric breast pump is designed to be worn comfortably under your nursing bra (not included) for convenient pumping. It is quick to assemble, easy to clean, and features a cordless design for hassle-free use. 3 Modes & 12 Suction Levels: Choose from three modes: Massage Mode, Sucking Mode, and Auto Mode (alternating Massage & Suckling). Each mode offers 12 adjustable suction levels. The LED screen displays the mode and suction level, making it user-friendly. Built-in Battery & Low Noise Operation: Equipped with a 1000mAh lithium battery, this pump offers long working hours and can be charged quickly with the included USB cable. Its low-noise operation ensures it won't disturb your sleeping baby. Anti-Backflow & No Leakage: Designed with an anti-backflow and seal system to prevent contamination and leakage of breast milk. It includes a storage cup with a capacity of up to 180ml. No Pain & Perfect Fit: The 24mm flange fits most breast sizes and is made of soft silicone material to avoid pain and maintain a good seal. Its compact and lightweight design allows easy transport. Specifications Color: Pink Material: PP + Silicone Flange Diameter: 24mm Storage Capacity: 180ml Modes: 3 Suction Levels: 12 Battery Capacity: 3.7V 1000mAh Charging Port: Type-C Charging Voltage: 5V 1A Packing List 1 x Breast Pump 1 x Charging Cable 1 x Bra Adjustment Buckle 1 x User Manual (English)