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$220 off: Google sells Fitbit Sense 2 smartwatch with Body Response sensor, SpO2 sensor, GPS and NFC on Amazon for $79 | gagadget.com
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Amazon.com: Fitbit Sense Health & Fitness Smartwatch W/GPS, Bluetooth Call/Text, Heart Rate SpO2, ECG, Skin Temperature & Stress Sensing (S & L Bands, 90 Day Premium Included) International Version (Graphite) : Electronics
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Fitbit Debuts Sense, Its Most Advanced Health Smartwatch; World's First With EDA Sensor for Stress Management,1 Plus ECG App,2 SpO2 and Skin Temperature Sensors | Business Wire
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Fitbit Charge 4 update shows SpO2 data on the band itself, tracks skin temperature - GSMArena.com news
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Fitbit Launches Smart Watch with Relative SpO2 Sensor, As A Move Toward Tracking Sleep Apnea in the Future | Sleep Review
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Fitbit unveils Charge 3, adds SpO2 tracking in preparation for potential sleep apnea, a-fib features | MobiHealthNews
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Fitbit Debuts Sense, World's first with EDA Sensor for Stress Management, Plus ECG App, SpO2 and Skin Temperature Sensors
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