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Sensors | Free Full-Text | Expansion of Smartwatch Touch Interface from Touchscreen to Around Device Interface Using Infrared Line Image Sensors
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These 16 sensors in smartwatches, fitness bands help in measuring heart rate, oxygen level and more | Gadgets Now
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These 16 sensors in smartwatches, fitness bands help in measuring heart rate, oxygen level and more | Gadgets Now
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3Plus Vibe Plus 2 Smart Watch Navy Blue - Built-in GPS, Heart Rate & Oxygen Sensor, Sleep Monitor, Activity Tracking, Notifications/ 1.72" HD Screen for iOS/ Android - Walmart.com
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3Plus Vibe Plus 2 Smart Watch Navy Blue - Built-in GPS, Heart Rate & Oxygen Sensor, Sleep Monitor, Activity Tracking, Notifications/ 1.72" HD Screen for iOS/ Android - Walmart.com
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Um68t Bluetooth Smart Watch Men Fitness Smartwatch Temperature Sensor Sleep Heart Rate Monitor Watches 1.69 Full Touch Screen - Smart Watches - AliExpress
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