【3 Modes & 9 Suction Levels】The wearable east pump has 3 working modes(Sucking Mode/ Massage Mode/ Sucking + Massage Mixed Mode), and each mode has 9 adjtable suction levels. With LED screen to display mode and suction level, touch button ntrol, simple to e. 【Anti-Backflow & No Leakage】With anti-backflow design and a seal system, the wearable east pump can the east milk from being ntaminated and leakage. The milk llector can store 150ml milk. 【No Pain & More Efficient】Adopts soft siline east ver design, which will not cae pain and maintain a good seal during age. Wide angle design, wrap and stimulate wider east range to improve pumping efficient. 【Built-in Battery & Low Noise Working】Built in 1200mAh large acity battery, long working time and can be d by B cable quickly. The sound of the wearable east pump is 40-50dB during working, which will not disturb your sleeping baby. Specifications: lor: White Material: Siline + ABS Working Mode: Sucking Mode/ Massage Mode/ Sucking + Massage Mixed Mode Suction Level: 9 levels Milk llector acity: 150ml east ver Diameter: 24mm Battery acity: 3.7V 1200mAh Charging: 5V/1A B Charging Time: about 2H Working Time: about 3H Rated Power: 2W to Power Off: 30min Working Temperature: 5℃ to 30℃ Storage Temperature: -20℃ to 60℃ Item Weight: 360g/ 12.7oz Packing List: 1 * east Pump 1 * B Cable