COROS POD 2 Motion Sensor, Running Form Analysis Device, Running Sensor, Compatible with COROS Watch

COROS POD 2, Watch Sensor Accessory, Accurate Indoor and Treadmill Distance Measurement, More Sensitive Real-time Pace, Improves GPS Data, Clip onto Shoes or Waistband only Works with COROS Watches

COROS PACE 3 Sport Watch GPS, Lightweight and Comfort, 17 Days Battery Life, Dual-Frequency GPS, Heart Rate, Navigation, Sleep Track, Training Plan, Run, Bike, and Ski (Black Silicone)