Spectra SG Portable Double Adjustable Breast Pump.Rechargeable and compact, the Spectra SG Portable Breast Pump provides breastfeeding moms with independent adjustability, allowing for tailored pumping sessions. Spectras SG Portable design utilizes one separate battery-operated motor for each breast and is independently adjustable. Because of this, moms can now conveniently and effectively double-pump without compromising suction leading to more efficient and productive pumping sessions.Features & Benefits:  Rechargeable  portable with built-in battery  Double Adjustable  Double pumping with individual pressure intensities  Massage Mode  simulates the natural suckling of the baby  Closed System  prevents backflow into tubing or pump  Touch Screen  touch screen LCD with timer control  Ultra-Quiet  for discreet pumping sessions  The SG Portable is made with Natural Nursing Technology that simulates the natural way a baby nurses and promotes a more comfortable pumping experience.  90-day Limited Manufacturers Parts Warranty  2-year Limited Manufacturers Pump WarrantyIncludes:  One (1) SG Portable Double Adjustable Electric Breast Pump  Two (2) 24mm & 28mm Breast Flanges  Two (2) Wide Neck Milk Bottles with nipple, disc, cap, & cover for each  Two (2) Duckbill Valves  Two (2) Backflow Protectors  Two (2) Tubing with Adapter Ends  One (1) 5V Power Adapter/Charger