electric breast pump is a device designed for lactating mothers to express breast milk efficiently. ✓ Unique soft silicone cushion mimics baby's Intermittent sucking actions and highly efficient performance. ✓ Stimulation & Expression modes are switchable 9 levels of suction control. ✓ Portable and exquisite design great for at home and on the go. ✓ Rechargeable Li-ion battery satisfies your pumping need wherever and whenever you want. ✓ Can be used in 2 positions (Lying down & Sitting) ✓ 3 years warranty