Waterproof Wireless Compatible with Bluetooth Smart Watch Phone Mate Heart Rate Tracker For iOS Android

Movement Tracker: Steps calculation, calories, distance. Multiple UI interface styles can be customized, UI switching, time display, date display. Style: Business, sports, leisure Package: Smartwatch,USB Cable, User Manual Screen Size: 1.54inchs IPS Color screen,240*240px Compatible BT Version: 4.0 Charging Time: About 2 hours Work Time: 3-5days