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Amazon.com: Owlet Dream Sock - Smart Baby Monitor - Foot Sensor to Track Heartbeat and Oxygen O2 Levels in Infants and Babies - Notifications for Night Wakings, Movement and Sleep State - Mint : Baby
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Owlet Smart Sock 3 - Baby Monitor - Track Heart Rate, Oxygen and Sleep Trends (0-18 Months) - Bedtime Blue : Amazon.co.uk: Baby Products
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