Letsfit Fitness Waterproof Tracker - IP67 with Pedometer/Sleep Monitor/Calorie Counter Watch

This tracker requires Android 4.4 above, Bluetooth 4.0 (Smartphone only, not compatible with PC, iPad or Tablet) It tracks your sleep cycle, helps you learn how to sleep better, and wakes you silently in the morning. With notification function, you can timely get calls, texts and all kinds of SNS notifications at a glance.Notes: This tracker does NOT include heart rate monitor feature. Please n...