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.