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Owlet Smart Sock Baby Monitor | Clinically Proven Heartbeat and Oxygen Sensor | Track Your Baby's Heart Rate and Blood Oxygen Level | Mint Smart Sock : Amazon.co.uk: Baby Products
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Owlet Accessory Fabric Sock for Smart Sock 2 Baby Monitor (Sensor and Base Station Not Included), Set of 3 sizes (0-18 months), Blue : Amazon.ca: Baby
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