Android 5.1 Lollipop Operating System The latest system with more excellent interface, compatibility and running effect. KW88 watch phone with more excellent performance, perfectly compatible with Android and iOS dual systems. Google Play and GPS KW88 supports Google Play, when connected to internet, you can use GPS to find the right route.Comprehensively gets to know your various habits, and provides you relevant information, such as: real time road conditions, weather, translation, daily reminders and location information service, so convenient to your life. easy to capture wonderful moments with superior quality pictures and videos. Bluetooth Functions: Calls, Message After connected with Bluetooth, you can experience those functions: See messages, contacts and notification reminders. WiFi and KW88 supports independent WiFi, can connect to the web directly from your wrist. It also works on WCDMA and GSM networks. Health Tracker: Heart Rate Monitor, Pedometer Take good care of you, monitor your heart rate, record your sports data.