Features： 【Electric Breast Pump】Imitate the baby's feeding pattern, at the beginning of milk suction process, high frequency mode will gently stimulate milk lactation, when the milk starts flowing, it will change to slow and deep suction, reducing suction time by 50% and increasing milk secretion by 30%. 【2 Modes & 5 Suction Levels】2 modes (breast pumping & massage) and 5 levels of suction for option, always gives you the most comfortable milk sucking experience. The memory function will remember the settings used last time, making your milk pumping more efficient. 【Wearable & Hands Free】Wearable design, freeing your hands for housework, playing with your lovely baby, and more; compact size, easy to assemble, suitable for using at home, office, during travel, etc. 【High-quality Material】Made from premium ABS, PP, and silica gel material, eco-friendly and skin-friendly; with 180ml milk collector, low noise working, will not disturb the sleeping baby. 【Built-in Rechargeable Battery】Built-in 800mAh large capacity battery, long working time, no trouble of frequent charging, and can be recharged via the included USB cables conveniently. Specifications： Color: White Material: ABS, PP, and silica gel Battery Capacity: 800mAh Input Voltage: 5V/1A Milk Collector Capacity: 180ml Operation Temperature: +5~40℃ Storage Temperature: -20~60℃ Operation/Storage Humidity: 15~90% Operation/Storage Press: 90~106Kpa Package List： 2 * Electric Breast Pump with 27mm Silicone Cover 2 * 24mm Silicone Cover 2 * 21mm Silicone Plugs 4 * Bra Adjustment Buckles 4 * Rubber Rings 2 * USB Cable 1 * User Manual (English)