Features: Resin Case White Resin Strap Quartz Movement Mineral Crystal Black Dial Digital Display Shock Resistant Bluetooth: Connects To a Smartphone And Automatically Adjusts The Time Step Count Measurement Step Indicator Mobile Link (Wireless Linking Using Bluetooth) Auto Time Adjustment Easy Watch Setting Approximately 300 World Time Cities Life Log Data Stopwatch Data Transfer App Information Time And Place Phone Finder Dual Time 1/100 Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal LED Backlight Button Operation Tone On/Off Low Battery Alert Regular Timekeeping Full Auto Calendar 12/24 Hours Display Day And Date Display Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 41.50 mm Approximate Case Thickness: 11.00 mm nbsp;