Xiaomi Amazfit Smartwatch 2S features different modes for various sporting activities including swimming. it adorns a 2.5D tempered glass with hand-polished ceramic bezels. The buttons, as well as the charging, are made from 316L stainless steel. The watch body also comes with a 3D laser carbon fibre body as well as a glass-reinforced polycarbonate case. Support for swimming water-resistant to 5ATM (equivalent to water pressure of 50 meters underwater), not only to wear swimming, you can also record the data when swimming, and support open water and swimming pool two modes. The watch is powered with 512MB RAM and 4GB ROM, 280mAh Battery Sustainable Use for 5 Days