Features: [Wearable hands free chest pump] Integrated milk collector and pump motor unit, no tube, no dangling milk bottle, easy to wear, playing with your cute baby, reading books and release your hands for more. [3 mode and adjustable 9 absorption level] Massage, expressing and mixed mode for the option, mimicing the baby's feeding mode, making milk sucking smoother and comfortable; Easy to adjust with simple buttons and screen. [Overflow -resistant and backflow -resistant structure] Integrated flange, connector and duck beak helps to prevent milk leakage, milk waste and contamination. [Internal battery] Internal 1100mAh large capacity battery, long working time after full charge; Low noise ≤55DB does not disturb a sleeping baby; Made of high quality ABS and silicone material, it is safe to use and is easy to clean. [Easy to carry] The portable compact size allows you to put it in a handb