The Willow Sync™ Wearable pump offers a discreet and lightweight in-bra hands-free pumping experience. Uniquely designed with a 105° cone angle for a smooth flange tunnel proven to help support milk output. Choose from 20 adjustable and customizable pumping levels that fit your ideal comfort. Convenient 5 oz milk collection containers, which include splashguards to prevent milk from splashing out of the container and allow for easy milk transfers. You can also start, stop, adjust suction levels, and track your milk volume all from your very own smartphone via the Willow app.