3 Modes& 10 Suction LevelsThe wearable breast pump supports 3 modes(Massage Mode/ Express Mode/ Massage+ Express Mixed Mode), and each mode has 10 adjustable suction levels. The breast pump automatically starts up in massage mode for 2 minutes, then change to express or mixed mode and shut down after 30 minutes.Built-in Rechargeable Battery& Low Noise WorkingBuilt in 1100mAh large capacity battery, long working time and can be charged by the included USB cable quickly. The sound of the wearable breast pump is very low during working, which will not disturb your baby.Anti-Backflow& No LeakageAdopts anti-backflow design and a seal system, the wearable breast pump can the breast milk from being contaminated and leakage. The breast cup can store 240ml/8oz milk. Comes with 10pcs milk storage bags for storing more milk.No Pain& Fits Well24mm breast shield is suitable for most nipple size, and made of soft silicone material, which will not cause pain and maintain a good seal. Compact and lightweight, can be put into backpack for convenient carry.Specifications:Brand: Model: P3Color: PinkBreast Shield Size: 24mm/ 28mm(optional)Material: PP+ SiliconeStorage Capacity: 240ml/8ozModes: 3Suction Level: 10Battery Capacity: 3.7V 1100mAhCharging Port: Type-CCharging Voltage: 5VItem Weight: 268g/ 9.5ozPacking List:1* Pump Unit1* Breast Cup1* Breast Shield1* Valve Base2* Valves1* Membrane1* Cap1* USB Charging Cable1* Carry Bag10* Milk Storage Bags1* Users Manual(English)