About this product eno Sean easier and more comfortable. Safe materials adapted do of your breast: the contact surface is made of silicone material, adapted do long-term contact with delicate skin, making it soft and safe. The overall shape is designed with wings, close to the arch of the chest, which better adapts do the shape of the chest and provides a full range of comfort. With 6 vibration modes and 3 heating modes: long press the "Mode" button, aby turn on the vibration mode, change the gear with a short press and press the "Hot" button, aby turn on the heating mode, change the temperature with a short press, easy to operate. You can put it do underwear while sucking or breastfeeding, so you will have your hands free and be able to do both at the same time. High efficiency and water resistance: The wing shape provides multiple points of contact for precise massage, which can effectively relieve breast discomfort and reduce breastfeeding problems and feeding time. The IPX7 waterproof rating allows for a massage while bathing and is easy to clean, ensuring the safety of mom and baby. USB charging and portable design: powered by rechargeable batteries and durable batteries, connected by USB charging cable, convenient do charge at home or outdoors. With its light weight and compact size, this breastfeeding aid piece is easy do carry, just put it do bag, which is convenient for mothers and can solve most breast milk feeding problems. .