Features: 【Invisible Wearable Pump】The hands free pump can be wear under nursing bra well for more convenient pumping. Moms can pump milk anytime anywhere, such as home, office, driving, etc. 【3 Modes 9 Suction Levels】The wearable pump has 3 working modes(Sucking Mode/ Massage Mode/ Sucking + Massage Mixed Mode), and each mode has 9 adjustable suction levels. With screen to display mode and suction level, touch button control, simple to use. 【-Backflow No Leakage】With -backflow design and a seal system, the wearable pump can the milk from being contaminated and leakage. The milk collector can store 150ml milk. 【No Pain More Efficient】Adopts soft silicone cover design, which will not cause pain and maintain a good seal during usage. Wide angle design, wrap and stimulate wider to improve pumping efficient. 【Built-in Battery Low Noise Working】Built in 1200mAh large capacity battery, long working time and can be charged by USB cable quickly. The sound of the wearable pump is 40-50dB during working, which will not disturb your . Specifications: Color: White Material: Silicone + ABS Working Mode: Sucking Mode/ Massage Mode/ Sucking + Massage Mixed Mode Suction Level: 9 levels Milk Collector Capacity: 150ml Cover Diameter: 24mm Battery Capacity: 3.7V 1200mAh Charging: 5V1A USB Charging Time: about 2H Working Time: about 3H Rated Power: 2W Auto Power Off: 30min Working : 5℃ to 30℃ Storage : -20℃ to 60℃ Item Weight: 360g/ 12.7oz Packing List: 1 * Pump 1 * USB Cable 【Invisible Wearable Pump】The hands free pump can be wear under nursing bra well for more convenient pumping. Moms can pump milk anytime anywhere, such as home, office, driving, etc. 【3 Modes & 9 Suction Levels】The wearable pump has 3 working modes(Sucking Mode/ Massage Mode/ Sucking + Massage Mixed Mode), and each mode has 9 adjustable suction levels. With screen to display mode and suction level, touch button control, simple to use. 【-Backflow & No Leakage】With -backflow design and a seal system, the wearable pump can the milk from being contaminated and leakage. The milk collector can store 150ml milk. 【No Pain & More Efficient】Adopts soft silicone cover design, which will not cause pain and maintain a good seal during usage. Wide angle design, wrap and stimulate wider to improve pumping efficient. 【Built-in Battery & Low Noise Working】Built in 1200mAh large capacity battery, long working time and can be charged by USB cable quickly. The sound of the wearable pump is 40-50dB during working, which will not disturb your .