? Warranty Policy - This product has 12 months warranty. Please feel free to conact us if you have any questions, we will do our best to help you within 24 hours. ? PAIN-FREE PUMPING: Come with 2 soft silicone massage cushion will protect your soft and delicate breasts efficiently. And provide a secure seal and snug to prevent leaking milk. ? Build-in Chargeable Battery - Convenient at home and out, including a USB charger and 2200mAh Li-ion battery built-in with large capacity (INPUT: 5V/1A). You can easily charge the breast pump through power bank, laptop, wall charger or car charger. ? 4 Modes 9 Levels - Closed System,4 modes and 9 levels of suction for choice,massage and stimulate breasts before pumping,comfortable and pain free. You can choose the mode and level you want. ?HOW TO USE : If you don't know how to use the product, please contact us as soon as possible, we will provide detailed use steps.