Perfect gift for newborn parents, newborn mother, newborn father, baby shower, birthday, Christmas, festival and so on. USB battery, can be quickly fully charged within 2 hours, it is very safe and eco-friendly, easy to use. The inside of the cup is made of 304 stainless steel approved for contact with food, which is rust-resistant and durable. We use double vacuum insulation technology of the inner and outer cup tank, which will not leak and burn your hands. Adopts fixed rotor design. When adding boiling water or turning, the rotor will not deviate from the center, which avoids the risk of accidental eating. Anti-slip bottom design, can be firmly placed on the table, sealed cup lid, not easy to leak. Ideal for mixing coffee, tea, hot chocolate, milk, protein shakes, lemonade, broth and many other light mixed drinks. - Inner mesh panties Capacity: 400ml Material: PP stainless steel White colour Rated voltage: 5 V/1 A Rated Power: 2W The package includes: 1x Electric Self Mixing Cup 1x magnetic charging cable 1x user manual