Key features-Running EfficiencyThe COROS POD helps track how much energy is involved in propelling your body forward.Using this metric in conjunction with all of the other great data provided by the POD you can train to become a more efficient runner whether that allows you to run faster, farther or both is up to you.-Running Power AnalysisThe COROS POD takes into account your weight, speed and several other inputs when calculating your running power laterally, vertically and most importantly horizontally (forward propulsion).COROS is the first solution on the market to offer multidirectional power analysis.-Advanced Running MetricsThe COROS POD provides the following metrics to help make you into a smarter and more efficient runner: power, runefficiency, ground time, left/right balance, stride height, stride ratio, stride length and cadence.×Weight19 gWaterproof1 ATM (10 m/32 ft)Pod TypeWaistConnectionBLE/ANT+BatteryCR2032Battery Life1 Year (2 Hours/Day)CompatibilityCOROS Watch & COROS AppRun EfficiencyYesPowerYesPower AnalysisYesL/R BalanceYesStride HeightYesStride RatioYesGround TimeYesStride LengthYesCadenceYes