Unit includes Zomee Double/Single Breast Pump 12 Volt AC Power Adapter Detachable Power Cord Prongs 2 Zomee Bottles 2 Zomee Backflow Protectors 2 Zomee Tubing 4 Flanges (2-24mm & 2-28mm) *Rechargeable Battery ; 1hr 30mins of charging will give 2hr 30mins of portable pumping life * USB port for convenient charging * Two Phases of Pumping; massage and express * Massage phase has 1-5 adjustable levelsof high frequency with weak suction to stimulate milk production * Breast-Express phase has 1-9 adjustable levels of low frequency with strong suction to effectively collect breast milk * HCPCS code E0603 *