Features： 【Electric Pump】Imitate the 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 ( pumping massage) and 5 levels of suction for option, 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 , and more; compact size, easy to assemble, suitable for using at home, office, during travel, etc. 【High-quality Material】Made from premium ABS, , and silica material, eco-friendly and skin-friendly; with 180ml milk collector, low noise working, will not disturb the . 【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, , and silica Battery Capacity: 800mAh Input Voltage: 5V1A Milk Collector Capacity: 180ml Operation : +5~40℃ Storage : -20~60℃ OperationStorage Humidity: 15~90% OperationStorage Press: 90~106Kpa Package List： 2 * Electric 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) 【Electric Pump】Imitate the '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 ( pumping & massage) and 5 levels of suction for option, 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 , and more; compact size, easy to assemble, suitable for using at home, office, during travel, etc. 【High-quality Material】Made from premium ABS, , and silica material, eco-friendly and skin-friendly; with 180ml milk collector, low noise working, will not disturb the . 【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.