Brand new swing breast pump by Medela. I use it once, great pump, just not the one for me. Originally $170 selling for $100 Swing® Breast Pump Features & Benefits Compact, lightweight motor: Fits easily into purse or tote bag 2-Phase Expression Technology: Resembles a baby's nursing rhythm Convenient AC adaptor or battery power options: For charging and mobile pumping Single pumping kit with 24 mm PersonalFit™ breast shield: For comfortable, efficient pumping Easy-to-use vacuum controls: Let you choose your most comfortable pump setting Drawstring bag: Keeps you organized between pump sessions Safe for mom and baby: All parts that come into contact with breast milk are made without BPA