The FreeStyle Libre 2 Plus sensor is an advanced continuous glucose monitoring (CGM) hardware update. It builds on the original FreeStyle Libre 2 system by offering longer wear, real-time data streaming, and automated insulin pump integration.
Key Features and Specifications
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Extended 15-Day Wear Time: Stays on the back of your upper arm for up to 15 days, one day longer than the standard 14-day Libre 2 sensor.
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Real-Time Data Streaming: Sends minute-by-minute glucose readings directly to your smartphone via Bluetooth without requiring manual scans.
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Automated Insulin Pump Integration: Pairs seamlessly with smart delivery systems to help manage automated insulin dosing.
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Expanded Age Eligibility: FDA-cleared and indicated for adults and children aged 2 years and older (compared to age 4+ for the legacy Libre 2).
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Outstanding Clinical Accuracy: Features a high degree of performance with 99.9% of readings falling into the clinically safe Zones A and B of the Consensus Error Grid.
Comparison: FreeStyle Libre 2 Plus vs. Legacy Libre 2
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Feature
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FreeStyle Libre 2 Plus
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Legacy FreeStyle Libre 2
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Wear Duration
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15 days
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14 days
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Minimum Age
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2 years and older
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4 years and older
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Data Delivery
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Real-time streaming via Bluetooth
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Requires a manual scan for a reading
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Pump Compatibility
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Yes (e.g., Omnipod 5)
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No
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Physical Size
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35 mm diameter x 5 mm height
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35 mm diameter x 5 mm height
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App & Compatibility
The Libre 2 Plus sensor works with your existing FreeStyle LibreLink app or physical FreeStyle Libre 2 reader. Because it is a hardware update, you generally do not need to change apps, but the sensor must be initialized using whichever device you plan to receive alarms on.
