(Bloomberg) -- Alphabet Inc.’s Google on Thursday launched the Fitbit Air, a $100 screenless fitness band aimed squarely at taking on Whoop Inc. and other makers of health and fitness wearables that forgo displays. Most Read from BloombergUS Has Opened a Passage Through Hormuz, Central Command SaysBillionaire Duke of Westminster to Sell £700 Million of US Real Estate AssetsDOJ Plans Intervention in Trump Supreme Court Carroll AppealChina Asks Banks to Pause New Loans to US-Sanctioned RefinerSony