Smart Watch SE has a water resistance rating of 50 meters and it has high power saving. Other features are: Wi-Fi (802.11 b/g/n), Bluetooth: 5.0, GPS, NFC, No radio, Built-in rechargeable lithium-ion non removable battery, Wireless charging, 3D Touch display, Loudspeaker, talking mode, Accelerometer and gyro sensors, watchOS 7.0 operating system. It may be used for shallow-water activities like swimming in a pool or ocean.