Meet the all-new COROS POD 2. A lightweight, water-resistant watch accessory that clips onto your shoe or waistband for next level running data accuracy. With optimized sensor hardware and intuitive software algorithms, the COROS POD 2 measures your run directly from your foot or body movements. It connects to your COROS watch to provide real-time data, so you can always train or race with the right information. More accurate and sensitive instant pace Improved measurement on treadmills and indoor tracks Improved GPS routes and data consistency in dense cities More accurate effort measurement from Effort Pace Advanced running metrics - Ambient Temperature, Ground Time, L/R Balance, Stride Height, Stride Ratio 25 hours of continuous running or 40 days in standby mode The portable charging dock supplies up to 5 full charges Wearing location: foot/waist