more milk in less time: the soft, silicone cups feature massaging petals that work to stimulate your breasts so you can express more milk in less time* easy to clean and assemble: the one-piece horns allow for easy assembly and cleaning the innovative built-in closed system prevents back flow and means all your precious breastmilk only goes into the bottle, so you don’t waste a single drop. lightweight and quiet: the power unit is lightweight enough to carry in your bag and is super discreet so you can express breastmilk anytime, anywhere usb rechargeable: powered by a usb rechargeable power unit so you can use this breast pump anywhere. full charge gives you over 60 minutes of cord-free pump time 5 massage and 9 express modes that help to stimulate the breast and milk flow while still feeling gentle and comfortable smart simulation: integrated soft zones on the horn use smart stimulation that matches the express mode you’ve chosen to massage milk ducts bpa/bps free - safe for baby and mum