1.Main Functions: Synchronous breast pumping, dredging milk, soothing milk, massage the breast, guiding the milk, and feeding it with confidence.2.Material: Safe material, no smell, pp+ liquid silicone material, no bisphenol A, non-toxic, no odor.3.Selling Point: Simulated breast pump-sucking double mode, 9-speed adjustment, suction decomposition is more delicate, to meet the needs of different mothers.4.Anti-backflow Design: The milk in the bottle will not flow back to the main machine to avoid secondary pollution, suction gate, silicone cylinder.5.Multi Power Supply Methods: Not afraid of lack of electricity. It can be use for adapters, USB data cable, available for charging treasure, notebook, ordinary power.Name:Electric bilateral breast pumpMode:prolactin massage breast pumpingSuction:less than equal -50kpaAdapter parameters:Input 110v-220vBottle capacity 120 mlOutput:5v 1AMaterial:PP siliconecolour:White + bluePackage Contents:1 * Electric breast pump2 * Milk bottle1 * USB charging cable2 * Milking tube1 * Interface bifurcation tube1 * Instruction manualOnly the above package content, other products are not included.Note: Light shooting 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.