From manufacturer- The Lansinoh Smartpump 2.0 Double Electric Breast Pump is lightweight with an ergonomic carrying handle, which means it’s easy for you to take it to work or on your next big trip, or just carry around the house as you do your daily routine Ultra quiet motor ComfortFit® flanges are soft and flexible, hugs your curves for the ideal suction and fit Uses Bluetooth® to automatically track your pumping sessions with the Lansinoh Baby 2.0 app 8 adjustable hospital strength suction levels for power and comfort Hygienic, closed system helps prevent milk backup into tubing for easier cleaning Product Specifications: ​Brand: Lansinoh® Smartpump™ 2.0 Manufacturer: Emerson Healthcare Application: Double Electric Breast Pump Kit Contents 1: (2) Breastmilk Storage Bottle Lids, (1) Slow Flow NaturalWave® Nipple, Cap, and Collar, (1) Tubing and Connector Set, (1) AC Power Adapter, (1) Pump Manual