CONVENIENT:The electric breast pump is portable and rechargeable.1000 mAh battery powered for sucking 2-4 times,can be used for half an hour each time.Wireless breast pump weight only 15 ounces and can be carried around in breast pump backpack.Making it ideal for an on-the-go mom.you can also pump milk while you doing housework or playing with children.SMART MODE:Wearable breast pump has 2 modes and 9 levels adjustment,breast pumping mode---imitate baby's real sucking,massage mode---promote breast milk secretion.With LCD screen ,has memory function .You can see the strength levels and power status at during use. Easy to operation.SAFE MATERIAL & EASY TO CLEAN:The hand free breast pump, made of food grade soft silicone, is BPA-Free,ensuring that the breast milk are 100% safe to the baby.The accessories are detachable and easy to clean, Keep the milk clean.ANTI-BACKFLOW &LOW NOISE DESIGN:The wireless breast pump has anti-backflow system prevents the milk leakage,protects milk from infection and keeps it fresh.Its sound is less than 50db,so the baby will not be disturbed when sucking and sleep.