FreeStyle Libre 2 Plus Sensor
The FreeStyle Libre 2 Plus Sensor is an advanced continuous glucose monitoring (CGM) sensor that measures glucose levels every minute and stores readings every 15 minutes. It offers optional real-time high, low, and urgent-low glucose alarms and an extended wear duration of up to 15 days, helping users gain consistent insight into glucose trends with fewer sensor changes.
About this item
The FreeStyle Libre 2 Plus Sensor builds on the trusted Libre 2 system by offering longer wear time while maintaining the same reliable glucose accuracy and optional Bluetooth-enabled alarms for high, low, and urgent-low glucose levels.
Worn on the back of the upper arm, the sensor continuously measures glucose levels in interstitial fluid and stores readings automatically. Users can view current glucose values, trend arrows, and up to 8 hours of glucose history by scanning the sensor with a compatible FreeStyle Libre reader or smartphone app.
Real-time alarms can alert users to glucose excursions even without scanning, providing added safety during sleep, exercise, or busy daily routines. The sensor is discreet, water-resistant, and designed to remain secure through normal activities such as bathing, exercising, and sleeping.
The FreeStyle Libre 2 Plus Sensor uses a simple, one-piece applicator and provides up to 15 days of continuous glucose monitoring with no routine fingerstick calibration required.
Important: Always follow Abbott’s instructions for use. If glucose readings do not match symptoms or expectations, confirm with a blood glucose meter before making treatment decisions.
PRODUCT DETAILS
System Type: Flash Glucose Monitoring (FGM) with optional real-time alarms
Glucose Measurement Frequency: Measures every minute; stores readings every 15 minutes
Wear Duration: Up to 15 days
Indicated Age Range: Users 2 years and older (pediatric + adult)
Application Site: Back of the upper arm
Calibration Requirement: No routine fingerstick calibration required
Alert Features:
Optional high glucose, low glucose, and urgent-low alarms via Bluetooth
Reader / Display Compatibility:
- FreeStyle Libre 2 Reader
- FreeStyle LibreLink app (device-dependent)
Scan Requirement:
Must scan at least once every 8 hours to capture full glucose history
Water Resistance:
Designed to withstand normal water exposure (bathing, exercise, light swimming)
Intended Use:
Continuous glucose tracking and optional real-time alerts to support diabetes management
| Feature | Dexcom G6 | Dexcom G7 | Libre 14-Day | Libre 2 | Libre 2 Plus | Libre 3 | Libre 3 Plus |
| Wear Duration | 10 days | 10 days + 12hr grace | 14 days | 14 days | 15 days | 14 days | 15 days |
| Real-Time Data (No Scan Needed) | ✔ Yes | ✔ Yes | ✖ No (scan required) | ✖ No (scan required) | ✖ No (scan required) | ✔ Yes (auto) | ✔ Yes (auto) |
| Alerts (High/Low/Urgent Low) | ✔ All alerts | ✔ All alerts | ✖ None | ✔ High/Low | ✔ High/Low/Urgent Low | ✔ All alerts | ✔ All alerts |
| Warm-Up Time | 2 hours | ~30 minutes | 12 hours | 1 hour | 1 hour | 1 hour | 1 hour |
| Accuracy (MARD) | ~9% | ~8% | ~9.4% | ~9.2% | ~9.2% | ~7.9% | ~7.9% |
| Age Indication | 2+ years | 2+ years | 18+ | 4+ years | 2+ years | 4+ years | 2+ years |
| Sensor Type | Single-use disposable unit |
|---|---|
| Adhesive | Designed to remain in place for full wear duration |
| Trend Data | Displays trend arrows and up to 8 hours of glucose history per scan |
| Connectivity | Bluetooth-enabled sensor for alarms |
| Warm-up Time | 1-hour initialization period |
| Packaging | Manufacturer-sealed sensor with applicator |
| Smartphone Compatibility | Device-specific; users must verify compatibility with Abbott’s official list |
| SKU (Internal Use) | FL2P-Sensor |
| Keywords | FreeStyle Libre 2 Plus Sensor, Continuous glucose monitor, CGM sensor 15 days, Real-time glucose readings, Flash glucose monitoring, Upper arm CGM, Pediatric CGM device, Adult CGM device, Water-resistant CGM, Continuous glucose tracking, Trend arrow glucose, Glucose pattern alerts, Fingerstick-free glucose, Glucose measurement every minute, Extended wear CGM, Diabetes management device, FreeStyle Libre 2 Plus mobile app, Compact CGM sensor, Slim CGM design, High/low glucose alerts, Urgent-low glucose alerts, Accurate glucose readings, Discreet CGM sensor, Home diabetes monitoring, Real-time blood sugar alerts, No calibration required, Easy sensor insertion, 15-day sensor life, Reliable glucose monitoring, Pediatric and adult CGM, Continuous insulin monitoring companion, Glucose data integration, Mobile app glucose reader, Diabetes tech device, Long-lasting CGM sensor, Safe glucose tracking, Continuous monitoring device, Smart diabetes device, Child-friendly CGM, Blood sugar monitoring tool, Real-time CGM system, Exercise-friendly CGM, Shower-safe sensor, Home glucose tracking system, Continuous sugar monitoring, Flash glucose reader compatible, App-free CGM monitor, Best CGM sensor 15 days, Diabetes care gadget, Blood sugar management, Advanced CGM technology |
3 reviews for FreeStyle Libre 2 Plus Sensor
4.67 out of 5 stars
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Brian L. –
Great sensor, wish insurance covered it faster
The sensor works exactly as expected and lasts the full time. Setup was simple. Coverage delays were my only issue, not the product.
Rachel T. –
Same system, better convenience
Everything I liked about Libre 2, just with longer wear. Easy to apply, comfortable, and the app integration is smooth.
Kevin M. –
Longer wear is a big improvement
Not having to change the sensor as often is a huge plus. The accuracy feels just as good as the Libre 2, and the alarms work reliably.