WActivity trackerWBlood glucose monitoringWBodyMediaWFatSecretWGoogle FitWIFit (brand)WJaybird (company)WManufacture Modules TechnologiesWMisfit (company)WMyFitnessPalWNike+ FuelBandWSamsung Galaxy Fit (smartwatch)WSamsung Gear FitWSamsung Gear Fit 2WXiaomi Mi BandWXiaomi Mi Band 2WXiaomi Mi Band 3WXiaomi Mi Band 4WXiaomi Mi Band 5WZeo, Inc.WZephyr Technology
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