Material: polypropylene (pp) Control method: electric [Safety & Hygiene] All parts are made of food grade silicone and do not contain harmful substances. Each part can be flexibly assembled and disassembled. Except electrical parts, all other detachable parts are dishwasher safe [Portable And Rechargeable] Small and light, easy to carry. Built-in large-capacity lithium battery lets you worry free. [Super Quiet Work] The motor runs low noise and will not disturb your family. Give babies a greater sense of security. [3D Soft Silicone massage pad] The soft breast pad massage area provides a secure seal and tight fit to solve the breast milk leakage problem. [Efficient] 9 modes (test, sucked, bionic), you can freely adjust the frequency, bid farewell to chest pain. includes: