Specification: Item Type: Electric Nipple Corrector Material: PP, Silicone Purpose: To help achieve a beautiful appearance and produce enough nipples for your baby to keep in mouth. Battery Type: 16850 Lithium Battery Battery Capacity: 2000mAh (Included) Package List: 1 x Main Machine 2 x Suction Tube 1 x Y Type Suction Tube 6 x Traction Cover 1 x USB Cable Note: 1. Mastitis is forbidden 2. If the protective cover is not tight, please pay attention to the following points to do well. A. Apply aloe glue on the nipple to suck more tightly: B. Nipple cover should be used with 2pcs at the same time, not just one. C. Nipple pressing on the breast press hard, too light easy to inhale gas. D. The strength gear of the corrector should be adjusted higher, at least above 5th gears, and the low gear can not tighten enough. 3. During lactation, use a breast pump or manually empty the milk before use. If any milk enters the catheter, stop drying it and then use it. Lactation use is slightly more troublesome, so it is recommended to use in preparation for pregnancy. 4. In general, there will be some bleeding or water outlet, which is normal. If bleeding is more, it is recommended to stop using it 3‑5 days later. If not much, it can continue to use it after wiping it clean. Because nipple interior is capillary and mammary gland, get outside stimulation to appear afore mentioned circumstance more easily.