1. The electric breast pump is fully automatic, saving time, effort and worry, and completely freeing your hands. 2. The suction power can be adjusted, and the suction power is uniform. When adjusted to the maximum, the suction power is many times greater than that of a manual breast pump. 3. It can avoid excessive milk engorgement and save some milk for the child. 4. Small size, suitable for carrying when going out. 5. Electric breast pumps allow mothers to continue breastfeeding even when they are not at home. This is indispensable for mothers and allows full-time mothers to have more flexible time arrangements. Rated voltage:5V Li-battery capacity:850mAh Bottle capacity:180ml Power:USB cable(adapter,computer,power bank) Colour:As Shown Material:PP+Silicone Package Contents: 1 x Electric Breast Pump 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.