? Property ? The desired food grade material is made of environmental material and medical silicone. ? Soft silicone breast, effectively fit the shape of the mother's breast, prevent milk leakage. ? Painless while pumping milk, gently and painlessly reduces the timing of pulling breast. ? The petal design makes the breast pad into a massage petal pad, improves breast fit and comfort. ? Usb charging, built-in lithium battery, can charge the device by mobile power. ? Anti-Reflux design, which separates milk and air to ensure hygienic milk. ? Memory function: Remember the latest used suction (Upgraded version) ? Silent design, noise-free while working (40 DB) ?‍? Three modes ? Galactagok mode massage Adjust the gear 9. After the prolactine for two minutes, automatically switch to breast pump mode. ? Simulate real breast pump mode Adjust the gear 9. Simulate real baby sucking frequency ? Nipple pull mode Adjust gear 3. Help mothers overcome the problem of flat or inverted nipples to successfully breastfeed ✨ Specification Brand: boboduck Name: Single Electric Breast Pump Material: Silicone, PP/PPSU, ABS Nipple hole size: 23.5 mm Bottle Capacity: 160ml/6oz Charging method: USB 2.0 Charging time: 3-4 hours to fully charge Usage after fully charged: 2-3 hours Battery capacity: PP/PPSU: 1200mA, Upgraded: 1500mA Size: 150 x 195 x 88 mm. / 5.9 X 7.4 X 3.4 inches Support charging while using ? Free gift (adaptor not included) Bionic teat x 1 Breast milk storage bag x 2 Wide neck conversion interface x 1 ? Package (adapter not included) Main engine x 1 Milk bottle x 1 Usb Power Cable x 1 Bionic teat x 1 Breast milk storage bag x 2 Wide neck conversion interface x 1 ? Frequently asked questions Q: What is the difference between the upgraded version and the standard version? A:Upgraded version to screen sliding application, 1500mAh battery capacity. Increase omnidirectional night light and gear memory function. Q: How is the difference between PP version and PPSU version? A: pp model: Now the white bottle, the breast pump is mainly pp material, no BPA; Ppsu Model: PPSU is a better material and called "golden material", high temperature resistance, impact - Resistant to steaming resistance and boiling resistance It can be re-sterilized 5,000 times. Q: Do the pump need to be connected to the power bank? After fully charged, how long will it last? A: Boboduck breast pump has a built-in lithium battery and does not need to be connected to the power bank; It takes about 3-4 hours to fully charge and can be used for about an hour and a half (5 times) after fully charged; Q: How do I know if it is fully charged? A: The Boboduck breast pump has an icon on the screen that shows charging; If the icon flashes, it means it's charging; If the icon is always on, then it is fully charged.