Momcozy Mobile Flow M9 Wearable Breast Pump.Momcozy Mobile Flow M9 is an app discreet controlled wearable breast-pump with personalized multi-modes & 15 Levels.Features:- Modes: Personalized Preferences and 2 Professional Recommendations (Milk Relief + Milk Boost) and 3 Regular Modes (Stimulation + Expression + Mixed).- Adjustable Suction Levels: 15 levels.- Motor: 3rd-Gen Motor(superior performance). - Vacuum: -300mmHg(ensures efficient).- Flange Size: 24mm.- Insert Size Options: 17mm/19mm/21mm Inserts. - Maximum Usage Time: 150mins/4~5 sessions.- Noise Level: less than 48dB.- Bottle Capacity: 150ml. - Shut Time: 30 minutes auto shut off.- Charge Time: Approx. 2.5 hours. - Pump Dimensions127mm X 109mm X 77mm.- Pump Weight: 0.67 lbs. (302g).