HANDS FREE: Medela Freestyle Hands-Free gives you the flexibility to pump anytime anywhere. The rechargeable pocket-sized pump and wearable collection cups keep your hands free for multi-tasking.Operating temperature range : 41 to 95 °F (5 to 35 °C) COMFORTABLY LIGHTWEIGHT: Ultralight, wearable collection cups, weighing just 2.7 oz. (76g) each and hold 150ml / 5oz of breastmilk each, are designed to sit discreetly in your bra and mimic the shape of the lactating breast 2-PHASE EXPRESSION TECHNOLOGY: Freestyle Hands-free mimics baby’s natural sucking rhythm – stimulating milk flow at first followed by a slow expression of milk* ANATOMICALLY DESIGNED CUPS: Research-based hands-free collection cups are designed to avoid localized compression and maximize milk flow, with a broader lower half to support the underside of the breast and a smooth surface and rim which flares away from the breast** APP-ENABLED FOR EASY PUMP TRACKING: Connect to the award-winning Medela Family app to plan and track your feeding schedule, and gain exclusive access to virtual milk storage