Sony SWR10 SmartBand Android 4.4 KitKat or Later NFC Waterproof IP58 SmartBand SWR10 and Lifelog Android app support devices running Android 4.4 and later. 3 LED Indicators Waterproof: IP58 rated Connectors: Bluetooth 4.0 Low Energy, NFC pairing / connecting, Micro USB (charging) only, no data transfer