Zomee Double Elecrtric Breast Pump Doppler Transducers GRADIENT SQUENTIAL 3 CHAMBER GARMENT Style:Right Ear GRADIENT SQUENTIAL 3 CHAMBER GARMENT * Full Leg 33 length * Compatiable with item # 510003 *HCPC CODE: E0671 * * Maximum circumference Upper thigh 28 Calf 21 Ankle 20 * A buckle cover prevents the buckle from being accidentally unlocked 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 *